Author/socialite Plum Sykes and her twin sister, fashion designer/socialite Lucy Sykes Rellie are turning 40 today. Jay-Z is celebrating his 40th birthday, too. Tyra Banks turns 36. Marisa Tomei is turning 45. Saturday Night Live's Fred Armisen is 43. Actor Jeff Bridges is 60. Ugly Betty's Kevin Sussman is 39. Former porn star Nikki Tyler is 37. And former game show host Wink Martindale turns 75 today. A handful of weekend birthdays are below.