The "Gossip Girl" alum stepped out looking her best at the Jazz at Lincoln Center while donning a blue gown with cutouts along the bodice that accentuated her figure. Sydney Sweeney hit Stagecoach with Paris Hilton in a micro mini dress and open corset.

"Don't let them put all this paper between us," the Grammy winner begs in a new song that she recently debuted at Stagecoach. "What's yours is mine. What's mine is between you, me, and Jesus."