Happy 20th Birthday, Kristen Stewart

Today she turns 20 years old and Kristen Stewart is on top of the world with a successful career and a hunky boyfriend with whom to share her amazing life.

The “New Moon†babe is said to be celebrating her big day with costar/main squeeze Robert Pattinson, who is said to have some surprises up his sleeve.

According to a source, Robert is taking a break from filming “Bel Ami†in Budapest, Hungary to show his gal some love.

“Rob has told friends he plans to make Kristen’s 20th birthday extra special. He says he has a special surprise lined up that has set him back a few thousand dollars. But he won’t say what it is! He’s also spoken with Kristen’s parents about arranging a surprise party.â€

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