Star Sightings: Amber Rose Sweetens Up, Jessica Alba and Cash Warren Enjoy Date Night & More!
Gustavo Caballero/Getty Images for Sugar Factory American Brasserie

Time for a sugar high!

Amber Rose got her sweet tooth on at Sugar Factory Ocean Drive in Miami Beach, Florida, on Aug. 18. The 33-year-old model snapped selfies with some of her young fans, including a lucky birthday girl, before strolling through the candy shop to treat herself to Skittles and sour gummies and befriend an adorable rubber ducky.

Gustavo Caballero/Getty Images for Sugar Factory American Brasserie

Jessica Alba and Cash Warren also had a sweet night, leaving the kids at home to celebrate nightclub mogul Noah Tepperberg's birthday at The Highlight Room in Los Angeles on Aug. 18.

Gerard Butler got his happy hour on at BOA Steakhouse in West Hollywood, California, on Aug. 16. An eyewitness told ET that the 47-year-old actor and his friend kept things low key, sipping on sparkling water with a Coke while noshing on beet poke and Thai ceviche.

Meanwhile, Viola Davis made a trip to Cirque du Soleil on Aug. 19 a family affair, taking in the production of Michael Jackson ONE alongside husband Julius Tennon and daughter Genesis.

Cirque du Soleil

Willow Smith put on a performance of her own that same day, hitting the stage at the Sixth Annual NYX Cosmetics FACE Awards at The Shrine Auditorium in Los Angeles.

Rachel Murray/Getty Images for NYX Professional Makeup

Singer-songwriter Austin Mahone didn't croon for fans in Miami last weekend, but he did do something pretty fantastic, donating over 100 pairs of his own shoes to Style Saves, a non-profit that provides school supplies and clothes to underserved children in South Florida. He also signed the kicks and their boxes and took pictures with excited fans.

Jordan Braun Photography
Wenn

Drake and Russell Westbrook were among those helping Justin Roberts celebrate his birthday. The YouTube star celebrated at TAO Los Angeles on Aug. 17. He was also joined by actress Amanda Cerny, who earlier in the day joked on Instagram, "Happy birthday little brother @justinroberts44 🎉🎊 ❤️ Time for the learners permit!!!! I love you enough to risk my life and my car's life for you as your accompanied licensed drive."

Rachid Ait

Caitlyn Jenner was at the Hollywood hot spot the same night, enjoying a dinner that included filet mignon "Tokyo" style and a King Salmon roll with a group of friends in TAO's skybox.

The partying didn't stop there! Olivia Culpo stepped out in a sexy shirtdress and black leather skirt combo from her capsule collection, PrettyLittleThing x Olivia Culpo, during an Italian-inspired bash celebrating the collaboration. Malika Haqq, Scheana Marie and Shaun Ross were among those who attended the party in L.A. on Aug. 18, where they were serenaded with a stripped-down acoustic performance from Rita Ora. Culpo’s line debuts Aug. 21.

BroadImage

Karina Smirnoff got a little love from fellow Dancing With the Stars alum Gilles Marini on the red carpet for the launch of her Karina Collection with LASplash Cosmetics, produced by Pop Your Shop and Just Leverage, at the Sofitel Los Angeles in Beverly Hills on Aug. 21.

Malachi Banales/WireImage

Click through the gallery below to see how even more of your favorite celebs are living it up this summer.