Famous 21 Years Old

A young singer and songwriter who rose to international fame while still in her teens, Billie Eilish is blessed with a soprano vocal range and an ethereal voice. Already the recipient of numerous accolades, including five Grammy awards, she was named in Time magazine’s  inaugural "Time 100 Next" list in 2019.

Jenna Ortega is one of the most successful young American actresses. Having made her acting debut at the age of 10, Ortega went on to feature in PopSugar's 20 Under 20 list at the age of 18. She uses her social media popularity to promote charitable causes. She is also a fashion icon for teenage girls.

Gaten Matarazzo is best known for his SAG Award-winning performance as Dustin Henderson from the Netflix series Stranger Things. He has also hosted the show Prank Encounters and has been part of the Broadway shows Priscilla and Les Misérables. He has cleidocranial dysplasia and helps raise awareness about the condition.

Maddie Ziegler owes her fame to the show Dance Moms and to Sia’s music videos Chandelier and Elastic Heart. Named one of Time’s 30 Most Influential Teens thrice, she has written a bestselling memoir, works for charities, has appeared in movies and on magazine covers, and owns a fashion line.

Sadie Sink is an American actress best known for playing Maxine Mayfield in the popular horror mystery-thriller television series Stranger Things, for which she received nominations at MTV Movie & TV Awards and Screen Actors Guild Awards. In 2018, she was honored with the Award of Excellence for Narration for her contribution to an animal rights documentary titled Dominion.

NLE Choppa is one of the youngest male rappers to make a name for himself in the American rapping scene. Also a well-known Internet personality, NLE Choppa has posted several videos on his YouTube channel Awakened Choppa, inspiring many of his followers to fall back on spirituality and veganism.

From starting acting at age 5 to being one of TIME's Most Influential Teens, Skai Jackson has come a long way. She amazed audiences with her roles in Jessie and BUNK’D and later thrilled her fans on Dancing with the Stars. An anti-bullying activist, Skai has also written her memoir.

Lil Mosey is an American singer, songwriter, and rapper. Known for his melodic flow of music, Mosey has released singles, such as Blueberry Faygo, which featured on the Billboard Hot 100 chart, peaking at number eight. The song has been certified platinum in the US and Australia and 4× platinum in Canada.

Loren Gray Beech is an American singer and social media personality. She is best known for posting videos on TikTok, where she is one of the most followed TikTokers. After achieving popularity as a social media personality, Loren Gray Beech established herself as a singer. Gray has received nominations for several awards, including the Teen Choice Award and Shorty Award.

Emily Alyn Lind, daughter of producer John Lind and actor Barbara Alyn Woods, started off as a child actor, with The Haunting in Connecticut 2: Ghosts of Georgia. She won a Young Artist Award for her role in the series Revenge and also appeared as Snakebite Andi in Doctor Sleep.

Malu Trevejo is a Cuban-born American singer and social media star. She achieved international recognition as a TikTok star, which paved the way for a career in music. Her popularity increased after the release of her song Luna Llena, which has gathered more than 100 million views on YouTube. Malu Trevejo is currently signed to Atlantic Records.

Levi Miller is an Australian model and actor known for his portrayal of Peter Pan in the 2015 American fantasy film, Pan. He also achieved widespread critical acclaim for his performance in the psychological horror film, Better Watch Out. Miller, who has been active since a young age, was named ambassador for the Ralph Lauren kids' fall campaign in 2015.

Martinus Gunnarsen is a Norwegian singer and one-half of the famous pop duo, Marcus & Martinus. Along with his twin brother Marcus, Martinus has released three successful studio albums to date. All their albums peaked at number one on VG-lista, a Norwegian record chart. In 2018, the brothers won the MAD Video Music Award under the Best International Act category.

Marcus Gunnarsen is one half of the Norwegian pop-duo M&M, the other half being his twin brother, Martinus. They participated in and won the eleventh season of Melodi Grand Prix Junior in 2012. Their debut studio album Hei peaked at number 1 on the Norwegian Albums Chart. The twins have also appeared in a few TV shows and films. 

Alina Zagitova is a Russian figure skater who has won one gold medal each in Olympic Games, World Figure Skating Championships, European Figure Skating Championships, and Grand Prix of Figure Skating Final; she is the only female figure skater from Russia to have achieved this feat. At the 2019 Glamour Russia Awards, Alina Zagitova was named Sportswoman of the Year.

Julian Dennison is a New Zealand actor whose portrayal of Solomon in his debut film Shopping earned him the New Zealand Film Award under the Best Supporting Actor category. He then went on to appear in popular films like Hunt for the Wilderpeople and Deadpool 2. Julian Dennison has also appeared in several commercials for companies like Air New Zealand.

Hala Al Turk is a Arabic singer who achieved popularity at the age of eight after appearing in the famous reality TV talent show, Arabs Got Talent. In 2019, she was honored at the Nickelodeon Kids’ Choice Awards in Abu Dhabi where she won the Favourite Female Artist award. 

Filipina actor-singer Kyline Alcantara was catapulted to fame by series such as Kambal, Karibal and Inagaw na Bituin. The teen sensation had initially gained popularity with her musical.ly clips and her YouTube videos. Her performances have also won her honors such as the Asian Acadaemy Creative Award.

Better known as Rooney from Chicken Girls, singer-actor Indiana Massara is also known for her chartbusting single Drama. An athletic person since childhood, Massara was, however, initially rejected in auditions for being too tall. She walked the LA Fashion Week at 13 and has a huge fan base on Instagram.