Taylor Squared -- Porterhouse for Two?

Taylor Swift got a ride from Taylor Lautner last night -- as they left Ruth's Chris steak house in the "Twilight" star's sweet looking Audi R8.

Taylor Squared
No word if the two are "officially" dating ... but we're guessing 19-year-old Swifty is just another girl waiting for this piece of underage meat to turn 18.