Actress Monica Potter turns 40 today.
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Celebrity Birthdays for June 30th

Actress Monica Potter turns 40 today. (Stephen Lovekin/Getty Images)
“Party Down” and “Mean Girls” actress Lizzy Caplan turns 29 today. (Frederick M. Brown/Getty Images)
Actor Vincent D’Onofrio turns 52 today. (Michael Loccisano/Getty Images)
Actor David Alan Grier turns 55 today. (Jason Merritt/Getty Images)
Dire Straits guitarist Hal Lindes is 58. (Jim Ross/Getty Images)
Jazz bassist Stanley Clarke is 60. ()
American singer and actress Nancy Dussault is 75. (David Livingston/Getty Images)
‘American Idol’ winner Fantasia Barrino turns 27 today. (Rick Diamond/Getty Images)
Retired heavyweight boxing champion Mike Tyson turns 45 today. (Getty Images)
Former Girls Aloud singer and British ‘X-Factor’ judge Cheryl Cole turns 28 today. (Getty Images)