Leonardo DiCaprio and Tom Hardy premiered their much buzzed-about film, 'The Revenant.' Kristen Stewart was spotted at LAX, and Kylie Jenner did some last-minute shopping at Barney's New York in Beverly Hills.
Kylie Jenner went from a photoshoot (which saw her don lingerie and a pink wig) to Rihanna's second annual Diamond Ball, while Lisa Vanderpump was honored at a Brits in LA Event. See what other stars were up to in our star sightings round-up.
Earlier in 2015, Kylie Jenner confessed to using lip injections, citing an insecurity about her appearance. At just 18, Jenner's beauty routine has transformed her entire look, making the teen star almost all but unrecognizable.