With all the advanced technology today, It’s very difficult to guess a star’s true biological age. See if you can read between their lines and figure out who’s older.

Who’s older? Barbara Walters or Sally Jessy Raphael?

Barbra is 78! Sally is only 73.

Who’s older? Whoopi Goldberg or Oprah Winfrey?

Oprah is 54! Whoopi is only 52.

Who’s older? George Clooney or Brad Pitt?

George Clooney is 47! Brad Pitt is only 44.

Who’s older? Tony Romo or Tom Brady?

Tom Brady is 31-years old! Tony Romo is only 28.

Who’s older? Lance Armstrong or Matthew McConaughey?

Matthew McConaughey is 38! Lance is only 36.

Who’s older? Courteney Cox-Arquette or Jennifer Aniston?

Courtney is 44! Jen is only 39.

Who’s older? Jake Gyllenhaal or John Mayer?

John Mayer is 30! Jake is only 27.

Who’s older? Madonna or Demi Moore?

Madge is 50! Demi is only 45.

Who’s older? Miley Cyrus or Selena Gomez?

Selena is 16! Miley is only 15.

Who’s older? Britney Spears or Christina Aguilera?

Christina is 27! Britney is only 26.

source: Which One is Younger? [tmz]