08/24/2010 05:12 am ET Updated May 25, 2011

Mark McGrath's Baby Twins Lydon Edward & Hartley Grace (PHOTOS)

Meet rocker and TV host Mark McGrath's biggest hits: His fiancee Carin Kingsland and their 8-week-old twins, Lydon Edward and Hartley Grace.

"She's so precious, just a princess. And he's my little dude," says the Sugar Ray singer of his children, who arrived on April 29. "Their birth was the greatest moment of my life."

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