Senator and former presidential candidate John Kerry turns 66 today. Actress, comedian and TV host Mo'Nique is turning 42. Jermaine Jackson is 55. Motley Crew's Nikki Sixx is 51. Montana Senator Max Baucus turns 68 today. Mos Def is turning 36. One-time reality TV star Lisa Gastineau is 50. Bay boy Brit chef Marco Pierre White is 48. And '80s actresses Teri Garr and Donna Mills are turning 65 and 67, respectively. A handful of weekend birthdays are below.

Job cuts continue to wrack the nation. Dionne Warwick has lost her gig headlining tonight's American Music Ball in Washington, D.C. — one of several inaugural balls which may not take place.

Ed Koch is turning 84 today. Happy birthday, Mr. Mayor! Jennifer Connelly is 38. Actor Tom Wilkinson is turning 60. Hollywood powerhouse Paula Wagner is turning 62. Fox Business anchor Liz Claman is 45. Rory Kennedy, the youngest daughter of Bobby Kennedy, is 40. Model Bridget Hall is turning 31. Dionne Warwick is 68. Mayim Bialik (yes, Blossom) is 33. And your favorite game show host ever, Bob Barker, is celebrating his 85th. Weekend birthdays below!