When she's turning 30: Nov. 15.
When he's turning 30: Oct. 18.
When she turned 30: Feb. 19.
When he turned 30: April 30.
When she turned 30: Feb. 17.
Louis Tomlinson
When he's turning 30: Dec. 24.
Charles Melton
When he turned 30: Jan. 4.
AJ Michalka of Aly & AJ
When she turned 30: April 10.
LaKeith Stanfield
When he turned 30: Aug. 12.
Chloe Bridges
When she's turning 30: Dec. 27
Britney Spears
When she's turning 40: Dec. 2
Chris Evans
When he turned 40: June 13.
Serena Williams
When she's turning 40: Sept. 26.
Chad Michael Murray
When he turned 40: Aug. 24.
Beyoncé
When she turned 40: Sept. 4.
Alicia Keys
When she turned 40: Jan. 25.
Joseph Gordon-Levitt
When he turned 40: Feb. 17.
Jessica Alba
When she turned 40: April 28.
Elijah Wood
When he turned 40: Jan. 28.
Jennifer Hudson
When she turned 40: Sept. 12.
Winona Ryder
When she's turning 50: Oct. 29.
Missy Elliott
When she turned 50: July 1.
Snoop Dogg
When he's turning 50: Oct. 20.
Jared Leto
When he's turning 50: Dec. 26.
Regina King
When she turned 50: Jan. 15.
Mark Wahlberg
When he turned 50: June 5.
Amy Poehler
When she turned 50: Sept. 16.
Ricky Martin
When he's turning 50: Dec. 24.
Jada Pinkett Smith
When she turned 50: Sept. 18.
And Justin Theroux
When he turned 50: Aug. 10.
