Christina Aguilera sparked concern over her drastic weight loss over the weekend.A fan-taken video of the 43-year-old pop icon attending an event on Friday went viral, and social media users expressed their concerns about her dramatic transformation.While some came to her defense and said she’s always been petite, others argued that she looks like the ‘skinniest she’s ever been.’This comes amid speculation that she has been using Ozempic and rumors she got a face lift after months of Aguilera showing off her increasingly slender frame on social media. The singer-songwriter was attending Barry’s Bootcamp, a workout studio in West Hollywood, for a collaboration and to celebrate the 25th anniversary of her self-titled, debut album. Christina Aguilera sparked concern over her drastic weight loss over the weekend. A fan-taken video of the 43-year-old pop icon attending an event on Friday went viral, and social media users expressed their concerns about her dramatic transformation; pictured in September 2024 versus 2012For the event, she slipped into a skin-tight bodysuit with knee-high, leather boots.Shortly after, the Genie In A Bottle hitmaker shared her own footage from the event with a montage of fun clips of herself arriving at the studio and meeting attendees. In the comments section, Instagram users flooded her comments section with remarks about her weight loss.Some fans questioned if she actually exercised, asking what if she ‘never stepped in a gym’ and just used Ozempic to lose weight. A clip from the function sparked widespread discourse on X, formerly Twitter, as fans speculated that she was taking her Ozempic usage too far and now looks like she’s ‘sick.’In response to the viral video, fans shared their wide-ranging reactions. One X user complimented how ‘amazing’ she looked and tweeted: ‘Christina Aguilera even looks good in normal lighting when she’s not on stage or on a set. She does have the bobblehead Ozempic thing going on but still looks amazing.’ Referencing her 1999 hit single What A Girl Wants, another person penned: ‘Ozempic is not what a girl wants or what a girl needs.’  For the event, she slipped into a skin-tight bodysuit with knee-high, leather boots. The singer-songwriter was attending Barry’s Bootcamp, a workout studio in West Hollywood, for a collaboration and to celebrate the 25th anniversary of her self-titled, debut album Shortly after, the Genie In A Bottle hitmaker shared her own footage from the event She shared a montage of fun clips of herself arriving at the studio and meeting attendees In the comments section, Instagram users flooded her comments section with remarks about her weight loss Some fans questioned if she actually exercised, asking what if she ‘never stepped in a gym’ and just used Ozempic to lose weight This comes amid speculation that she has been using Ozempic and rumors she got a face lift after months of Aguilera showing off her increasingly slender frame on social media; pictured November 2012 in Los AngelesOne user claimed that they could see the muscle atrophy, the thinning of muscle mass, and said it was ‘definitely Ozempic.’ Another fan was gagged as they simply tweeted: ‘Bruh that’s CRAZY.’ Other retweets and remarks included fan comments about how her transformation was ‘a lot’ and ‘not a good look.’ ‘Sometimes tryna go back to your old size is not a good look,’ a X user tweeted. ‘She looks sick.’ In response, another fan wrote: ‘This also isn’t her old size. I think she might be the skinniest she’s ever been. Look at her arms.’ Another tweet joked about her hiatus: ‘So Christina Aguilera found an Ozempic pen and now she just needs to find a pen to give us a classic hit.’ Some fans came to her defense and said she looked great after a natural transformation. ‘All this talk about Christina Aguilera and her body is really gross. Christina has always been thin, she was naturally thin as a teenager. Her body fluctuated throughout the years as it does when [one gets] older, live[s] and [has] kids. Ozempic or not. She looks amazing. Leave her alone, f***.’  In response to the viral video, fans shared their wide-ranging reactions. One X user complimented how ‘amazing’ she looked and tweeted: ‘Christina Aguilera even looks good in normal lighting when she’s not on stage or on a set. She does have the bobblehead Ozempic thing going on but still looks amazing’ Referencing her 1999 hit single What A Girl Wants, another person penned: ‘Ozempic is not what a girl wants or what a girl needs’ One user claimed that they could see the muscle atrophy, the thinning of muscle mass, and said it was ‘definitely Ozempic’ Another fan was gagged as they simply tweeted: ‘Bruh that’s CRAZY’ Other retweets and remarks included fan comments about how her transformation was ‘a lot’ and ‘not a good look’ ‘Sometimes tryna go back to your old size is not a good look,’ a X user tweeted. ‘She looks sick’ In response, another fan wrote: ‘This also isn’t her old size. I think she might be the skinniest she’s ever been. Look at her arms’ Another tweet joked about her hiatus: ‘So Christina Aguilera found an Ozempic pen and now she just needs to find a pen to give us a classic hit’ Some fans came to her defense and said she looked great after a natural transformationThis comes after the Burlesque star said she was body shamed throughout her career in an interview with Glamour in August.The hitmaker said in her early years in the music industry, music bosses were unhappy when she gained weight in her 20s. The actress — who previously said she ‘hated being super skinny’ and had started ‘loving my new curves’ in an interview with Health — said that they preferred her as a ‘skinny teenager.’ ‘When you’re a teenager, you have a very different body than when you’re in your 20s,’ she explained.’I started to fill out, and then that was unacceptable because it was like, “Oh, she’s getting thicker,” she continued.’Then I had industry people say: “They liked your body and how you were as a skinny teenager”.’ While Aguilera’s weight has fluctuated over the years, her recent transformation has continued to fuel rumors of Ozempic usage.