Happy Birthday Kellan Lutz! By Lisa Hiser - March 15, 2010 0 Facebook Twitter Pinterest Tumblr –Twilight and A Nightmare on Elm Street star Kellan Lutz turns 25 today. Happy Birthday! Turning 21 today is Caitlin Wachs. “Skins” star Kaya Scodelario celebrated her 18th birthday on the March 13. Happy birthday to all.