Network sources confirm that Hilarie Burton—who played P. Sawyer for years on One Tree Hill, secretly had a baby with Jeffrey Dean Morgan while we weren't looking and has been charming as heck this season on USA's White Collar as insurance investigator Sara Ellis—is joining the cast full-time for season three. Shooting on the 16 new episodes for next year begins mid-March in New York City.
Plus, what's the latest with Mark and Lexie on Grey's Anatomy? And which closeted TV jock might be singing his way out of the closet? Find out that and more in our latest TV news roundup:
• Glee: TVGuide.com reports that Dave Karofsky (Max Adler) may sing Lady Gaga's "Born This Way" as part of his character's journey to self-acceptance. Outstanding!
• Grey's Anatomy: If you're one of the G.A. fans who have been dying to know what's to come for Mark (Eric Dane) and Lexie (Chyler Leigh), don't miss this sneak peek of Mark abusing his power over Jackson Avery (Jesse Williams) to find out what's making his on-again, off-again girlfriend cry. And while, yes, that approach sounds terribly shady, in the world of Seattle Grace, it means "I love you."
• The League: @JBomb11 loves this news, and since she has great taste in everything, y'all best get happy that FX has renewed The League for season three.