From Hawaii to the Caribbean, sexy Tinseltown twosomes are heating up the holidays, and "Extra" has them all covered.

Nicollette Sheridan and Michael Bolton appear to have renewed their romance. Cameras spotted the now on-again duo on vacation in Hawaii. The last time Nicollette and Michael were hot and heavy was back in the '90s.

Meanwhile, St. Barts turned into Fantasy Island for Uma Thurman, who engaged in a passionate lip lock with her boyfriend, hotel king Andre Bellage.

Thousands of miles away, Ben Affleck and Jennifer Garner locked lips and did some antique shopping in Savannah, Georgia. The two spent Christmas there with their new baby, Violet.

It's been a tough Christmas for the newly-single Jessica Simpson. "Extra" spotted the star alone in Los Angeles. She was supposed to hit up Hawaii with her family for the holidays, but In Touch Weekly's Dan Wakeford told us Simpson decided to lay low and nurse her breakup blues.

"Jessica is just not in the mood to party," Wakeford said.

And finally, she kicked him out and then she took him back…. Now comes a new rumor that Britney Spears is ready for baby number two with Sean Preston's daddy, Kevin Federline.

"Britney's marriage has been very rocky," Wakeford said. "And Britney feels one way to solve this is to have another baby."