At first glance Oscar winning A-lister, Sandra Bullock and heavily-tattooed reality star, Kat Von D don't seem to have too much in common. But there's one uniting factor between the two -- West Coast Choppers owner and renown bad boy, Jesse James.

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In light of the recent announcement of Jesse and Kat's engagement, RadarOnline.com takes a look at the ex and the future Mrs. James, to see how the two weigh up against each other.

On one side of the ring is America's sweetheart -- the 46-year-old, down-to-earth, Oscar winning star, Sandra Bullock.

Denise Richards and her new boyfriend Nikki Sixx were snapped leaving an early showing of Little Fockers Thursday, and RadarOnline.com has all the pictures!

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The two saw the new comedy flick at The Commons at Calabasas shopping center near Denise's home.

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As RadarOnline.com previously reported, the 39-year-old actress admitted that she and Sixx are an item after being questioned about the rumors on Bravo’s Watch What Happens Live.

“We have been out on a few dates, yes," she revealed.

Richards famously dated Bon Jovi guitarist Richie Sambora -- then the newly-estranged husband of her close friend Heather Locklear -- shortly after her divorce from husband Charlie Sheen in 2007.

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She says her relationship with Sixx, 52, is purely casual -- for now.

"You want if anything's going to develop, you want it to develop on its own," Richards said.

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"That's the god's honest truth, we're taking it very slowly."

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Denise Richards sure likes her rock stars.

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The 39-year-old actress has revealed that she is dating Motley Crue bassist Nikki Sixx after being questioned about the rumors on Bravo’s show, Watch What Happens Live, on Thursday night.

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“What is considered dating?” she asked coyly before admitting: “We have been out on a few dates, yes.”

The Wild Things star previously dated Bon Jovi guitarist Richie Sambora after her divorce from husband Charlie Sheen back in 2007.

Motley Crue bassist Nikki Sixx has moved quickly to get over his break-up with Kat Von D and has found comfort in the arms of another scorned love, Melissa London.

“They’re dating,” a source close to the pair told RadarOnline.com exclusively.

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