Berry counts herself an early supporter of the presidential candidate. Plus: Rachel Bilson, Iman and more

LONE STAR FUN

Carrie Underwood helps Dallas Cowboys quarterback Tony Romo ring in a memorable birthday celebration Saturday at Ghostbar in Dallas. An insider says the Idol champ and Romo were "laughing, singing together, holding hands and their arms were around each other all night." So are they a couple? "They have recently been spending a little time together," Underwood's rep tells PEOPLE, adding, "It's [in the] really early stages."