Lauren Sanchez's busty space-inspired outfit steals the show at star-studded birthday partySydney Sweeney celebrated her 28th birthday this weekend with a space-themed bashView 2 ImagesLauren Sanchez turned heads at Sydney Sweeney's birthday bash. Many were surprised to see Lauren not only because of her daring outfit but also because she has only been seen with Sydney once before. View 2 Images Sydney Sweeney threw a spaced-themed birthday party (Image: Sydney Sweeney/Instagram)While the birthday girl dazzled, Lauren stunned in a tiny metallic mini dress. Sydney was previously photographed with Lauren at the Vanity Fair Oscar Party in March. ‌Fans were just as shocked by her invitation to the high-profile event as they were by Lauren's invitation to her birthday party.