Entertainment Music Olivia Rodrigo Jokes That She Bought 'Pack of Cigarettes' and 'Beer’ After Turning 21: 'Growing Up Isn't So Scary' The singer celebrated her milestone birthday alongside friends including Tate McRae, Iris Apatow and Conan Gray during a party on Monday By Kimberlee Speakman Kimberlee Speakman Kimberlee Speakman is a digital writer at PEOPLE. She has been working at PEOPLE since 2022. Her work has previously appeared in Forbes and she has also worked in broadcast television as a reporter for Hawaii-based news station KHON2 News. People Editorial Guidelines Published on February 24, 2024 11:28AM EST Photo: Cindy Ord/Getty Olivia Rodrigo is opening up about how she celebrated turning 21. The “Vampire” singer, 21, revealed on the opening night of her Guts World Tour in Palm Springs that following her birthday, she opted to buy some items from a gas station just because she was now able to. “I went to the gas station the other day and bought a pack of cigarettes and a six pack of beer,” the singer said during the show, adding that she hadn't bought the items to smoke or drink. “I promise I didn’t consume it, but I just bought it because I f------ could," she explained. The comments were caught, in part, in video of the night posted on TikTok, which showed Rodrigo go on to talk about how it feels to get older. "Anyway, all this to say that I think growing up isn’t so scary after all and life just kind of gets better at the end,” she continued before launching into her song “Teenage Dream.” Olivia Rodrigo Celebrates 'Last Day of Being Able to Underage Drink (Hypothetically)' as She Turns 21 On Monday, Rodrigo shared a post to her Instagram showing herself celebrating the milestone birthday with her friends, including Tate McRae, Iris Apatow, Conan Gray and The Kid LAROI. In the carousel of photos she posted, the singer posed with friends, showing off her funfetti cake, and blowing out candles on it and other cakes with candles placed on top. The star's rumored boyfriend Louis Partridge wasn't pictured at the party, however. Olivia Rodrigo Celebrates 21st Birthday with 'Spill Ur Guts' Cake: 'Excited for All the Good Times Ahead' For the special occasion, Rodrigo wore a plunging backless black dress that featured cut-out sides and a halterneck top. She completed the look by clipping her hair in a chic updo and wearing some red lipstick and hoop earrings. "Today is my last day of being able to underage drink (hypothetically) !!!!" the "Deja Vu" hitmaker captioned the post. The following day she celebrated with an even bigger four-layered cake with a heart that featured the words, "spill ur guts," which is a nod to her Guts album released in September of last year. She shared some celebratory snaps in an Instagram post. Never miss a story — sign up for PEOPLE's free daily newsletter to stay up to date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Rodrigo sat among balloons eating cake in another photo in the post, while a video captured the moment she jumped up and down when presented with her special cake. The musician also posted a throwback snap of herself as a child wearing a handmade birthday hat. "21!!! so grateful for all of the incredible things I’ve been able to experience so far and so excited for all the good times ahead💓💓💓 thx 4 all the love💋," Rodrigo wrote in the caption. Close