Fans were seen fighting in the stands during Olivia Rodrigo's performance of her hit Drivers License during the 2021 iHeartRadio Music Festival in Las Vegas on Saturday. In a TikTok clip, two people appeared to be arguing when things escalated as one began throwing punches, leading to people getting in between them to break it up. The TikTok user, under the handle @fww.shelli, added the caption: 'Bro we were tryna enjoy Olivia Rodrigo.' The latest: Fans were seen fighting in the stands during Olivia Rodrigo's performance of her hit Drivers License during the 2021 iHeartRadio Music Festival in Las Vegas on Saturday The 18-year-old Temecula, California native had performed a five-song set at the musical festival, which also featured artists including Coldplay, Billie Eilish, Dua Lipa and J. Cole. Rodrigo, who's been seen in Disney staples such as High School Musical: The Musical: The Series and Bizaardvark, told the audience at the end of her set, 'You guys are just like the best crowd ever. This is amazing.' Onstage, the singer wowed in a long-sleeve black cutout crop top that exposed her tiny waist and showed off her cleavage. It was paired with loose-fitting light blue, high-waisted, belted trousers. Details: Olivia Rodrigo, 18, had performed a five-song set at the musical festival The conflict at the daytime performance in Las Vegas was filmed and posted to TikTok A person in a white knit sweater lunged forward at another fan in the exchange Stardom: Olivia Rodrigo performed on the daytime stage at the 2021 iHeartRadio Music Festival in Las Vegas Saturday The powerhouse wowed in a long-sleeve black cutout crop top that exposed her tiny waist and showed off her cleavage The black belt boasted silver studded holes and the music artist attached a silver chain to it, giving the look an added edge. Continuing the getup, Olivia wore chunky black boots. The teenage pop star's waist-length brunette locks were styled in loose waves and she wore two mini ponytails at the top of her head, separated by a middle part. They were secured with studded hair ties that complemented her ensemble. The talented songstress elevated her look with a carefully made up face that featured gems on the inner corners of her eyes. Full look: Her top was paired with loose-fitting light blue, high-waisted, belted trousers The High School Musical alum sported light orange eyeshadow, winged eyeliner, lashes, and a matte rouge-colored lip. The former Disney star's nails were painted black and she put on a lively show, taking a seat and playing the piano at one point. The singer-songwriter jumped up and down as she belted out songs from her massively successful debut album Sour. Confetti fell out into the crowd as they enjoyed the music industry newcomer's set. Edgy: Her black belt boasted silver studded holes and the music artist attached a silver chain to it, giving the look an added edge Quirky style: The teenage pop star's waist-length brunette locks were styled in loose waves and she wore two mini ponytails at the top of her head, separated by a middle part Lively: The singer-songwriter jumped up and down as she belted out songs from her massively successful debut album Sour Multitalented: The former Disney star's nails were painted black and she put on a lively show, taking a seat and playing the piano at one point The talented songstress elevated her look with a carefully made up face that featured gems on the inner corners of her eyes Done up: The High School Musical alum sported light orange eyeshadow, winged eyeliner, lashes, and a matte rouge-colored lip Festive: Confetti fell out into the crowd as they enjoyed the music industry newcomer's set Billie Eilish, 19, Yungblud, 24, and Saweetie, 28, were among the many other performers featured in the lineup. Eilish took the stage at night, wearing an oversized graphic t-shirt and shorts. The soft-voiced singer wore her bleach blonde hair in two messy buns, leaving her bangs on display. Music maker: Billie Eilish took the stage at night, wearing an oversized graphic t-shirt and shorts Performance look: The soft-voiced singer wore her bleach blonde hair in two messy buns, leaving her bangs on display Yungblud entertained festival-goers wearing an all-black getup, which included a pleated black mini skirt. Saweetie took the daytime stage in a black crop top, black jeans, and a red head wrap over long, blonde curls. Absent from the event was Addison Rae, who was supposed to perform but pulled out two days prior to the music event, stating that she wasn't ready. Bold fashion statement: Also performing at the annual festival was Yungblud, who wore a black mini skirt Stage ready: Saweetie took the daytime stage in a black crop top, black jeans, and a red head wrap over long, blonde curls Commanding the crowd! Lil Baby was among the performers rocking the audience Working it! The My Type songstress flashed some leg on the red carpet Will you accept this rose? Bachelorette vet Tayshia Adams snuggled up to her fiance Zac Clark All rights reserved for this news site (dailymail) and under his responsibility