1 / 12

Miguel: October 23 - The Grammy-winning singer will celebrate his 28th birthday with girlfriend Nazanin Mandi. (Photo: Gary Gershoff/Getty Images for Target)

Photo By Photo: Gary Gershoff/Getty Images for Target

2 / 12

Kim Kardashian: October 21 - The new mom got the sweetest surprise for her 33rd birthday — an engagement ring from boyfriend Kanye West!  (Photo: Juan Sharma/Bruja, PacificCoastNews.com)

3 / 12

Omar Gooding: October 19 - Cuba's little bro celebrates his 37th birthday.  (Photo: Jesse Grant/Getty Images for BET)

4 / 12

Michael Eric Dyson: October 23 - The Georgetown University professor, author and radio host is 55 this week. (Photo: Jemal Countess/Getty Images)

5 / 12

Drake: October 24 - The "Started From the Bottom" rapper celebrates his 27th birthday. (Photo: David Becker/Getty Images for Clear Channel)

6 / 12

Adrienne Bailon: October 24 - The former Cheetah Girl is all grown up at 30. (Photo: Ilya S. Savenok/Getty Images)

7 / 12

Monica: October 24 - The singer, who welcomed a baby boy with husband Shannon Brown earlier this year, turns 33. (Photo: Frazer Harrison/Getty Images for ABC)

Photo By Photo: Frazer Harrison/Getty Images for ABC

8 / 12

Katy Perry: October 25 - The "Roar" singer celebrates her 29th birthday. (Photo: Theo Wargo/Getty Images)

Photo By Photo: Theo Wargo/Getty Images

9 / 12

Ciara: October 25 - The gorgeous singer, who turns 28, shares a birthday week with bestie Kim Kardashian. (Photo: Pascal Le Segretain/Getty Images)

10 / 12

Bootsy Collins: October 26 - The funk legend is 62 this week. (Photo: Michael Buckner/Getty Images)

Photo By Photo: Michael Buckner/Getty Images

11 / 12

James Pickens Jr.: October 26 - The Grey's Anatomy actor turns 59 this week. (Photo: Michael Buckner/Getty Images)

Photo By Photo: Michael Buckner/Getty Images

12 / 12

Ruby Dee: October 27 - The veteran actress, who has starred in everything from A Raisin in the Sun to American Gangster, celebrates her 89th birthday. (Photo: Astrid Stawiarz/Getty Images)