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.

Proving that their relationship is still going strong, Kat Von D tweeted a sexy pic today in which she’s smooching her guy Jesse James.

The 28-year-old L.A. Ink star, whose real name is Katherine Von Drachenberg, has been dating the West Coast Choppers star since August, after he finalized his divorce with Sandra Bullock.

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The couple took a trip together in December when they traveled with James’ daughter Sunny to visit her mother Jamie Lindemulder.  Sunny turned 7 on January 1, 2011.