How old is Roger Federer?

Serena Williams

Tennis champion who won 23 Grand Slam singles titles in the Open Era.

Beyoncé

Beyoncé Giselle Knowles-Carter ( bee-ON-say; born September 4, 1981) is an American singer, songwriter, actress, and businesswoman. Known for her vocal ability, artistic reinventions, and live performances, she is widely regarded as one of the most culturally significant figures of the 21st century.

Source: Wikipedia · CC BY-SA 4.0

Britney Spears

Britney Jean Spears (born December 2, 1981) is an American semi-retired singer. Referred to as the "Princess of Pop", she is known for her unique vocal style and energetic stage performances.

Source: Wikipedia · CC BY-SA 4.0

Natalie Portman

Natalie Hershlag (born June 9, 1981), known professionally as Natalie Portman, is an actress and filmmaker with dual Israeli and American citizenship. She has had a screen career from her teenage years and has starred in various blockbusters and independent films.

Source: Wikipedia · CC BY-SA 4.0

Fernando Alonso

Fernando Alonso Díaz (Spanish pronunciation:; born 29 July 1981) is a Spanish racing driver who competes in Formula One for Aston Martin. Alonso has won two Formula One World Drivers' Championship titles, which he won in 2005 and 2006 with Renault, and has won 32 Grands Prix across 23 seasons.

Source: Wikipedia · CC BY-SA 4.0

Zlatan Ibrahimović

Zlatan Ibrahimović (born 3 October 1981) is a Swedish former professional footballer who played as a striker. He is known for his acrobatic strikes and volleys, technique, ball control, and physical dominance.

Source: Wikipedia · CC BY-SA 4.0