Charlize Theron has entered a new phase in her life, which she refers to as her “Shake It Off” era. On Tuesday, the talented actress posted a video on Instagram showing her and her daughters dancing enthusiastically to Taylor Swift’s hit song during the singer’s Eras Tour stop in Los Angeles. In the clip, we see Theron and her daughters moving in perfect sync, even busting out the Sprinkler dance move with big smiles on their faces. Not only was it her birthday on Monday, but Theron also had the best time ever at the concert, as she captioned her post with words of gratitude for Taylor Swift. She wrote, “Thank you for the best birthday ever, @taylorswift!!! We had such an amazing time.” Other celebrities also expressed their enjoyment of this heartwarming family moment, with actress Michelle Monaghan commenting, “It was incredible!!!!! And yes! Happy Birthday!!!!!!” Swift’s Eras Tour has been making headlines with its record-breaking ticket sales and numerous crashes on Ticketmaster. It has also garnered the attention of many famous faces. At Monday’s show alone, renowned celebrities like Tiffany Haddish, Cameron Diaz, Zoe SaldaƱa, Dita Von Teese, Camilla Luddington, Ashley Greene, Flavor Flav, and many more were in attendance. Throughout the tour, other notable personalities such as Channing Tatum, Gayle King, Emma Stone, Emma Roberts, Keith Urban, Nicole Kidman, Laura Dern, Julia Roberts, Selena Gomez, and others have also been spotted grooving to Swift’s infectious beats. With a grand total of 146 shows scheduled across five continents, the Eras Tour is Swift’s most extensive and wide-reaching tour to date. Having kicked off in March in Glendale, Arizona, it will soon travel to international locations, starting with Mexico later this month.