Olivia Rodrigo celebrates 21st birthday by buying cigarettes and a six-pack of beer

Olivia Rodrigo dished on how she celebrated her 21st birthday.Getty Images for Acrisure Arena

Olivia Rodrigo is all grown up.

The former Disney Channel star got candid about how she celebrated her 21st birthday during the opening night of her Guts World Tour in Palm Springs, Calif.

“I went to the gas station the other day and bought a pack of cigarettes and a six-pack of beer,” the “Vampire” hitmaker said while sitting at the piano, as seen in fan videos posted on TikTok.

“I promise I didn’t consume it, but I just bought it because I f–king could,” she went on.

“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 concluded, before performing her 2023 track, “Teenage Dream.”

“I went to the gas station the other day and bought a pack of cigarettes and a six pack of beer,” she said on stage. Getty Images for Acrisure Arena Rodrigo kicked off her Guts World Tour the day after her milestone birthday. Getty Images for Acrisure Arena

The “High School Musical: The Musical: The Series” alum celebrated her milestone birthday earlier this week.

She rang in the occasion with a low-key party, and joked that she would no longer “hypothetically” be consuming alcohol illegally.

“Today is my last day of being able to under age drink (hypothetically) !!!!” she joked in the caption of an Instagram post Monday.

The singer celebrated her big day in a vintage halterneck dress. oliviarodrigo/Instagram “Today is my last day of being able to under age drink (hypothetically) !!!!” she joked on Instagram. oliviarodrigo/Instagram

The “Vampire” songstress was joined by actress Iris Apatow along with fellow musicians Conan Gray and Tate McRae.

The “Greedy” singer’s rumored new beau, The Kid Laroi, was also seen in one of the snaps from the bash, however, Rodrigo’s possible new man, Louis Partridge, didn’t appear to be in attendance.

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The “Bizaardvark” star looked stunning in a vintage Alaïa halterneck dress that’s older than she is.

Rodrigo celebrated her big day with pals Iris Apatow, Conan Gray and Tate McRae. oliviarodrigo/Instagram

The black ensemble, which appeared in the brand’s 1991 spring collection, featured several cutouts and a plunging neckline.

She completed the glamorous look with a messy up-do, a slick of red lipstick, and silver jewelry, including diamond hoop earrings and several matching rings.

The at-home bash also featured multiple purple funfetti cakes that were adorned with multiple candles, and read, “Happy Birthday Olivia.”