SPOTTED: Julianne Hough, Jared Leto, Chord Overstreet, Alexis Knapp, Marisa Tomei, Rachel Hunter, Lily Collins, Balthazar Getty, and Derek Hough helping Samsung Galaxy and 30 Seconds to Mars celebrate the band’s tour. The exclusive star-studded event took place in an intimate bungalow space setting, Saturday night, at the famed Chateau Marmont in Hollywood.

During the festivities, guests were able to experience the new Samsung Galaxy Note 3 and Galaxy Gear wearable device, and take photos using the Samsung Galaxy Camera which were instantly displayed visually throughout the space. Guests also danced the night away to both DJ Zach Cowie and DJ Ana Calderon – keeping the celebration going until nearly 3am!