Lindsay Lohan hit up The Roosevelt in Hollywood Wednesday night!

X17 caught up with her as she left the hotel/nightclub. But in the car, Lindsay did not want to be seen -- check out her hiding in the photo below!

Some surprise celebs were also at The Roosevelt last night ... Vinny and Ronnie of Jersey Shore! Bizarre!

See video of the Jersey Shore guys after the jump, and check out pics in our gallery below!

Lindsay Lohan roosevelt hotel hollywood hiding