ET has details on what some of your favorite celebs were up to recently that might have flown under your radar.
On Dec. 12, Heidi Klum visited the must-see Mystère by Cirque du Soleil at Treasure Island Hotel and Casino in Las Vegas. With help from a few artists, the blonde beauty tried her hand at climbing the iconic Chinese Poles featured in the spectacular production. She also enjoyed the performance and a special meet-and-greet with cast members from the show.
In Pasadena, California, Cameron Diaz and husband Benji Madden enjoyed a date night together at SECO on Dec. 18. Diaz was dressed casually and ordered salmon while Madden went with the ribeye steak.
Moviegoers at the ArcLight in Santa Monica, California, got a celebrity sighting on Dec. 16 when new Bachelor couple Becca Tilley and Robert Graham went to an 8:45 p.m. showing of La La Land.
Likewise, pedestrians got a glimpse of Disney actress Dove Cameron when she was spotted at a café, wearing the scünci Multi-Wear Hat & Hairband.
New couple Malika Haqq and Ronnie Ortiz-Magro were all smiles as DeLeón Tequila and Billboard celebrated the release of the DeLeón 100 with a private performance by Miguel at The Sayers Club in Los Angeles on Dec. 15.
Hands of Stone star Edgar Ramirez hosted the kick off of Gran Centenario Tequila's Angels on Earth 2017 at Sunset Tower Hotel in Hollywood on Dec. 14.
The same day, Ink Master cast members Dave Navarro, Oliver Peck and Chris Nune celebrated the Spike TV show's season finale at Beauty & Essex in New York City.
On Dec. 13, 1 OAK LA celebrated Galore Magazine's private party with cover ladies Paris Hilton and Sofia Richie. Hilton hopped behind the DJ booth, spinning the hottest tracks of 2016 while Richie was hanging out with her close friends at her VIP table before joining Hilton behind the booth.
New sports couple, Olympic gold medalist Aly Raisman and NFL tight end Colton Underwood, snuggled over dinner on Dec. 13 at the Sea Fire Grill in New York City.
Ashlee Simpson Ross and husband Evan Ross celebrated the holiday season on Dec. 13 at the Coffee Bean & Tea Leaf holiday party at Doheny Room in Los Angeles.
Meanwhile, on the East Coast, Nick Cannon, Tony Danza and Joan Jett showed their support at the 75th Anniversary USO Armed Forces Gala & Gold Medal Dinner at the Metropolitan New York at the Marriott Marquis in Times Square.
Real Housewives of New Jersey star Dolores Catania, TV personality Tom Murro, and Beth Stern were spotted at Beth Stern & Friends Bash for the Bulldogs event at The London in New York City, benefiting the Long Island Bulldog Rescue on Dec. 12.
Another member of the Bravo family, Taylor Spellman (host of Yours, Mine or Ours), celebrated the first season of the show in the recently completed historic lobby of her project 100 Barclay with friend Ryan Serhant of Million Dollar Listing in New York City.
Besties Michelle Williams and Busy Philipps hung out together at the 22nd Annual Critics' Choice Awards -- sponsored by FIJI Water -- in Los Angeles on Dec. 10.
The Coach 75th Anniversary: Women's Pre-Fall and Men's Fall Show in New York City brought Drew Barrymore and Emma Roberts together on Dec. 8.
On Dec. 7, Courtney B. Vance missed the Los Angeles premiere of his film, Office Christmas Party, after his plane was delayed from New York City, but made it just in time to celebrate with co-star Jennifer Aniston and director Will Speck with Casamigos Tequila at STK Restaurant at the W Los Angeles Hotel in Westwood, California.
Also celebrating from afar were Casamigos staff members, who were treated to an epic four-day holiday retreat, hosted by Rande Gerber, George Clooney and Mike Meldman, in Cabo San Lucas, Mexico. Watch their highly orchestrated mannequin challenge below.
St. Jude patient John Claude, 5, and Marlo Thomas stocked shopping carts full of Kmart toys while on a shopping spree to benefit St. Jude Children's Research Hospital.
Check out even more star sightings in the gallery below.