Olivia Rodrigo just announced her highly anticipated SOUR Tour on Monday, Dec. 6. She will be traveling across the US and the UK. Tickets will go on sale, Friday Dec. 10 and fans are super excited. After releasing her debut album, SOUR and her breakout hit, "driver's license," this year, Rodrigo's fame took off and she became an overnight sensation.

The star of High School Musical: The Musical: The Series will be busy filming season 3 and preparing for tour, as will many other artists next year. But while fans are deciding what to wear to their tour date and stressing about getting tickets, we are focusing on the women who will be opening for her on tour.

She will have three openers- Gracie Abrams, Holly Humberstone and Baby Queen, all playing in different cities. So, who are these women? Find out what we know about them.

9 Details Of Olivia Rodrigo's SOUR Tour

The SOUR Tour will kick off on April 2 in San Francisco, CA and play in amphitheaters across the US. Then in June and July, Rodrigo will be touring the UK in smaller venues as well. Gracie Abrams will join her on the first part of tour, then Holly Humbersotne finishes out the US dates and Baby Queen will perform in the UK with her. Let's find out more about these ladies.

RELATED: 10 Little-Known Facts About 'Drivers License' Singer, Olivia Rodrigo

8 Who Is Gracie Abrams?

Gracie Madigan Abrams was born on September 7, 1999 in Los Angeles, California. She is the daughter of Katie McGrath, a film and television producer and J.J. Abrams, an esteemed film director. Abrams has two brothers, Henry and August. Her father's family is Jewish. As a kid, Abrams attended The Archer School For Girls and became interested in music. The 22-year-old is studying international relations at Barnard College.

7 Gracie Abrams' Music Career

Abrams is an American singer/songwriter. Her debut single, "Mean It," was release in October 2019 and her debut EP, Minor, was released in July 2020 by Interscope Records. It was supported by several singles including "I miss you, I'm sorry" and "Friend" and many performances of those songs on The Tonight Show Starring Jimmy Fallon and Jimmy Kimmel Live! She released her debut, full-length album, This Is What It Feels Like, on November 12, 2021.

6 What Olivia Rodrigo Has Said About Her

Rodrigo, along with Phoebe Bridgers, Lorde, Post Malone, Billie Eilish have each expressed their admiration for her. Rodrigo credited Abrams EP, Minor, as the inspiration for her debut single, "driver's license." They have become very good friends this past year, so it is no wonder Rodrigo picked her to tour with her.

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5 Who Is Holly Humberstone?

Holly Ffion Humberstone is a British musician from Grantham, England. She was born on December 17, 1999 and is the youngest of four sisters. Her parents worked as doctors but encouraged art at home. Her mother would play the cello and her father collected books of poetry. Humberstone played violin in the youth orchestra and gravitated towards pop music. Humberstone previously studied at Liverpool Institute for Performing Arts before returning home for a year to focus on music.

4 Holly Humberstone's Music Career

At 16 years old, Humberstone entered her songs into a BBC Radio contest, where one song, "Hit and Run," garnered radio play. In January 2020, she released her debut song, "Deep End," which was included on her EP, Falling Asleep At the Wheel. Humberstone signed with Interscope in 2021 and released her second EP, The Walls Are Way Too Thin. She also toured with Lewis Capaldi in February 2020 and is planning on touring the UK next year after she tours with Rodrigo.

RELATED: Everything Olivia Rodrigo Has Been Accused Of Copying... So Far

3 Who Is Baby Queen?

And last, but not least, is Baby Queen, whose real name is Arabella Latham. Baby Queen is a South-African born, British singer/songwriter, who is based in the UK. She was born on August 19, 1997, and brought up in Durban, South Africa, but moved to London at the age of 18 to pursue a music career. Baby Queen has also publicly stated that she does not define her sexuality and that growing up in South Africa made her feel stigma because of her ambiguity.

2 Baby Queen's Music Career

After moving to London, she wrote music while working at Rough Trade Music Shop in Brick Lane. In 2020, Baby Queen signed a record deal with Polydor over Zoom. This allowed her to release her first EP, Medicine, on November 11, 2020. Queen has released over nine songs so far, including a cover of "Santa Baby" and went on a virtual tour with Yungblud. Now, she will be touring the UK with Rodrigo in 2022.

1 What Olivia Rodrigo Has Said About Baby Queen

While talking with NME back in January 2021, Rodrigo listed artists who inspire her and inspired her album and Baby Queen was one of them. "...and I’m obsessed with Baby Queen, I think she’s so bada-- and I can’t wait to see what else she does in her career," she said. The two have also been in contact because when tour was announced, the Brit posted a text conversation between her and Rodrigo about how they can't wait to scream the words to each other's songs every night.

NEXT: Everything Olivia Rodrigo Has Been Up To Since Her Debut Album Released