From PEOPLE Magazine Click to enlarge
TREY SMITH

Parents: Will Smith & Sheree Zampino

"[Trey] is a hard worker," Smith, 41, says of his son from his first marriage. "I keep telling him, 'Just be good at stuff. You have to be better than the other guys.'" He's off to a good start: A varsity football star at an elite prep school in L.A., he hopes to play college ball.

JUSTIN COMBS

Parents: Sean 'Diddy' Combs & Misa Hylton-Brim

"I love how respectful of a kid he is," Diddy, 40, said at his son's lavish 16th birthday in January. The oldest of the rap mogul's five children, Justin kept the Maybach wheels from his dad but donated his $10,000 gift check to Haiti relief.

SAM FOX

Parents: Michael J. Fox & Tracy Pollan

"He's very smart," dad Michael, 48, says of his look-alike son. "I think all my kids learned resilience and [to have] a sense of humor." Don't look for the college student to join the family business: "He doesn't have the acting bug at all."

JACK QUAID

Parents: Meg Ryan & Dennis Quaid

"He's talented, smart and a good-looking kid. He wants to be an actor and [is] looking to study theater in college," proud dad Quaid, 55, has said of his lanky son. Two of Jack's main interests? "Girls and school plays," his dad told USA Today.

LORRAINE NICHOLSON

Parents: Jack Nicholson & Rebecca Broussard

The Brown University student told Teen Vogue, "I've been going on location with my dad forever. I always knew this was what I wanted to do."