IMPACT x Nightline: Get Ready With Gen Alpha

Celebrity stylist and designer Terrell Jones; supermodel Madisin Rian; fashion influencer Irvin Randle, aka Mr. Steal Your Grandma; up-and-coming designer Andrea Osei shows her bridal and evening gowns.

Fashion editor and content creator Nicky Campbell; TV personality and fashion mogul Nina Parker; up-and-coming designer Parker Zinn builds a name for herself with her intricate, glam-take on knitwear; an all-new Shop Tam Fam.

Supermodel Chanel Iman; social media influencers Trey Bryant, Rashad Little and Queyoun Makor; up-and-coming designer Grant Gilmore works to break down the stereotypes of what it means to be plus-sized in the fashion industry.

Supermodel Coco Rocha; costume designer Patricia Field (documentary "Happy Clothes"); up-and-coming designer Knoxx elevates the streetwear game in creative new ways.

Fashion mogul LaQuan Smith; up-and-coming designer Tina Tandon brings an eclectic perspective to her designs; Tamron surprises all of her up-and-coming designers from the week with an iconic fashion mentor!

Jagged Edge performs; author, life coach and pastor Keion Henderson and media mogul wife Shaunie Henderson judge a couples court in which two couples settle their most frustrating debates.

Comic, actor and radio host Rickey Smiley; a couple whose love story was 64 years in the making; a couple tell how they met at their brother's funeral; Shop Tam Fam.

Heather Headley (Netflix series "Sweet Magnolias") chats and performs; a couple who met in the ICU while they were fighting for their lives.

Actress Yvette Nicole Brown and actor Tony Davis; Dr. Whitney Bowe shows how to get kissable lips for Valentine's Day.

Dating show host Kendra G discusses dating trends; Dr. Raquel Martin tells what questions you should be asking if you want to be in a relationship; the studio audience gets Valentine's Day giveaways!

Reality TV personality Craig Conover; content creator Joseph Oakley; dating coach Thomas Edwards and TikTok influencer Grant Magdanz.

TV personality Star Jones joins the Tam Fam; stories of people battling mystery illnesses - how trusting their instincts and advocating for themselves ultimately led to the right diagnosis and treatment they desperately needed.

The heartfelt stories behind viral videos; Teedra Moses performs; how a mom reunited with the son she gave up for adoption; a man jumps out of the car to rescue a dog from an icy stream.

A 5-year-old drum major; a 7-year-old who loves baking and decorating cakes with her mom; an 8-year-old art prodigy; 12-year-old opera singer Victory Brinker performs.

Actress Pretty Vee on how her faith helped her find her purpose; the story of "Blankies 4 My Buddies," an organization that brings small tokens of comfort to children dealing with traumatic situations; Ryan Ellis performs.

Actress Jessica Joan tells how she helped the FBI take down NXIVM's cult leader; a content creator's followers notice a lump on her neck; a state trooper saves a man trapped in a burning car; video of a kayaker being swallowed by a whale.

Author Cheyenne Bryant, Ph.D., gives advice on when to keep a relationship vs. when to break it off; Jefferson Fisher, author of "The Next Conversation," teaches how to initiate difficult conversations with loved ones; Shop Tam Fam.

Actress Sheryl Lee Ralph ("Abbott Elementary") and husband State Sen. Vincent Hughes tell about their choice to live in separate cities; other couples who say living apart has helped save their relationships; the stigma of couples living apart.

Olympic gold medalist and boxing world champion Claressa Shields; Ashley Darby ("The Real Housewives of Potomac"); therapist John Kim talks about eight different types of breakups and his take on cheating.

Political analyst and attorney Bakari Sellers, wife Ellen Rucker Sellers and their twins; a grandmother who went back to school at age 61; a 3-year-old girl who nailed the "Guess the Voice Challenge"; Tamron and her staff try the viral challenge!

R&B superstar and actress Ashanti shares details on how she reunited with Nelly and found a future together, and how becoming a wife and having her first child changed her forever; the Brooklyn Skate Moms show off their skateboard skills!

Today's guests are part of the viral social media trend in which couples, friends and family members make confessions to their loved ones, often with hilarious and sometimes shocking results; author Michael Slepian ("The Secret Life of Secrets").

Actress Jennie Garth shares her formula for fulfillment and how she created the I Choose Me Movement; Matt Price, "Mister Make It Happen," pivots from a career in finance to follow his passion for food full time; Jonathan McReynolds performs.

A commercial sparks a heated debate as more people use compounded versions of brand name weight loss drugs; a woman tells how she finally lost weight; a woman who accidentally overdosed on compounded weight loss drugs.

Pastor Mike Jr. motivates the Tam Fam and performs; author Lisa Nichols returns with ways to help you get back on track with your resolutions.

Kim and Penn Holderness ("The Amazing Race," book "ADHD Is Awesome"); people living with ADHD discuss their experiences.

Keni Silva (book "Divorce As an Opportunity"); Olga Khazan (book "Me, but Better"); stylist Sophie Strauss helps postpartum moms; a makeover; Shop Tam Fam.

Singer Michelle Williams (Broadway's "Death Becomes Her"); Lucy Hale ("F* Marry Kill"); Megan Piphus performs.

Ben and Erin Napier ("Home Town Takeover"); Susan Kelechi Watson ("The Residence").

Nancy Reddy (book "The Good Mother Myth"); Melanie Fiona, Felicia La Tour, Ashley Chea, Codie Elaine Oliver (podcast "The Mama's Den").

People who have left living large behind; a self-described recovering shopaholic tells of her "No Buy Year"; a woman shares hilarious videos of living in a tiny home; the tiny home community a couple built; HGTV's Poonam Moore.

Comic Dulcé Sloan ("The Daily Show"); Dr. Steven Gundry says what we put in our stomachs can have a major impact on our happiness; a Tam Fam member takes the four-day gut challenge.

Tamron follows up with some of her most talked-about guests and stories; a boy teaches himself to play the keyboard; a woman who saw color for the first time; a chef's health journey; a social media debater kept a secret; a fashion boutique owner.

Clea Shearer and Joanna Teplin (ABC's "Extreme Home Makeover: Home Edition," "The Organizing Society"); Hilton Carter discusses caring for plants at home; Jefferson Fisher talks about when to keep relationships and when to cut them.

Actress Tatyana Ali discusses helping women have safer births and her quilt company, Baby Yams; Dr. Marisa G. Franco discusses friendship attachment styles and how they could come between you and the people to whom you're closest.

Putting trending products and hacks in fashion, beauty, food and fitness to the test -- from pull-string bathing suits to face-lift tape to kettle fryers, Tamron tries out the latest viral products with her trusted panel of experts.

Liz Tenety interviews Tamron about her new children's book, "Harlem Honey"; Yung Pueblo (book "How to Love Better"); Allison Raskin (novel "Save the Date"); Betsy Wills and Alex Ellison (book "Your Hidden Genius"); chef Carla Hall; Shop Tam Fam.

Actress Krysten Ritter (novel "Retreat"); Wyclef Jean chats and performs.

Giveaways; Sir John and Rachel Wilson (Boldhue); Johnny Wright discusses hair trends, including the viral jellyfish haircut; Amy Liu (The Tower 28 SOS Rescue Spray); makeup artist Raul Otero gives a brow makeover; Mary Alice Stephenson (GLAM4GOOD).

A recent graduate moves abroad to teach English; a 95-year-old woman and her grandson look to visit all seven continents; a house swap sparks a lifelong bond; a man quits his job to search for "the one" by going on 50 dates in 50 states!

Robin Roberts ("Good Morning America"); a 13-year-old's neighborhood lemonade stand raises more than $200,000 to support other kids; Shontay Lundy (Black Girl Sunscreen); Tamron's alma mater, Temple University.

When a woman makes amends with her mother, she does it with the surprise of a lifetime; a woman goes viral when her head starts steaming; a woman goes to the doctor for a sore throat and finds out she is pregnant with quadruplets.