List of Famous people who are 21

Diane Solomon is an American singer, songwriter and nutritionist, who was part of the group who represented Luxembourg in the Eurovision Song Contest 1985, in which they sang "Children, Kinder, Enfants". They received 37 points and finished in thirteenth place.

Claudia Coulter is an international Actress, Model and Voice Over Artist of British/Latin descent who has appeared in a number of Films and Television Programmes.

Nazlıcan İnci is a Turkish badminton player. Teamed-up with Bengisu Erçetin, they grab the silver medal at the U17 European Championships in 2016. She won her first senior international tournament at the 2017 Turkey International tournament. İnci won the gold medal at the 2018 European Junior Championships, and the silver medal at the 2018 Mediterranean Games partnered with Erçetin.

David Schwartz is an American composer, known for his scoring of the music for several television series. He composed most of the songs for Arrested Development, and he returned as the series composer for the fourth season, which debuted on Netflix.

Dee Robson is a former costume designer for the BBC. Mrs. Robson was born in Liverpool, studied art at the Southport School of Fine Arts, Lancashire, and design for the theatre at the Wimbledon College of Art. She is now based in London. The inspiration for her monster and costume designs comes from many sources, such as Russian ballet and Memento mori statues. Mrs. Robson worked for a time under the fashion designer Mary Quant and her style continues to reflect the clarity and directness of fashion drawing. No compilation of her works exist due to copyright issues, but she owns a vast portfolio. She has worked for some of Britain's leading theatres:

• The London Ballet company.
• The Oxford Playhouse
• Prospect Productions
• Liverpool Playhouse
• Pitlochry Festival Theatre
• Century Theatre, Keswick, Cumbria
• Century Theatre, Carlisle
• Yvonne Arnaud Theatre
• Welsh Theatre company
• Atheneum Theatre, Plymouth
• The Delfont Organization