Zac Efron zanessanighttogether.jpgArchive pic

This just in!

HSM star Zac Efron celebrated his 21st birthday last night with girlfriend slash co-star Vanessa Hudgens at an LA hotel, where the couple rented a bungalow...

They ate dinner out before returning back to their love suite where they spent the night together. High school hottness!

More deets coming soon!