Justin Timberlake found himself battling more than just the flu. The former *NSYNC star, known for his resilience and dedication to his craft, faced an unexpected wave of mockery online, not just for his health struggles but also for the resurfacing drama surrounding his past relationship with pop icon Britney Spears.

Timberlake's determination to push through his flu symptoms and deliver an acoustic version of his new single, "Selfish," was met with mixed reactions, as fans and critics alike took to social media to voice their opinions.

The controversy reignited following Spears' candid revelations in her memoir, "The Woman in Me," released in October 2023, which brought the spotlight back to their early 2000s romance.

Spears' subsequent public apology and endorsement of Timberlake's new music seemed to add fuel to the fire, especially after Timberlake's pointed response during a concert, where he stated, "I'd like to take this opportunity to apologize.... to absolutely f------ nobody," before performing "Cry Me a River," a song long associated with their breakup.

This back-and-forth between the two stars set the stage for a barrage of comments from Spears' loyal fanbase. Timberlake's Instagram post, where he shared his acoustic performance while still recovering from the flu, became a battleground for supporters and detractors.

Comments ranged from sarcastic remarks like "Crazy how all of the Britney haters got the flu lmao" to more direct jabs referencing Spears' own song titled "Selfish," with one user stating, "SELFISH BY BRITNEY SPEARS is better!"

Despite the online turmoil, Timberlake continued to focus on his music, with his upcoming album "Everything I Thought It Was" scheduled for release on March 15. The singer's commitment to his art, even in the face of personal health issues and public scrutiny, highlights his enduring presence in the music industry.

However, the saga with Spears and the subsequent online reaction serve as a stark reminder of the complexities of celebrity relationships and the lasting impact they can have on both personal and professional lives.

As Timberlake navigates this latest chapter, the blending of his music promotion with the lingering shadows of past relationships paints a picture of an artist striving to move forward, even as the echoes of yesterday continue to resonate. The situation underscores the challenges of living in the public eye, where personal milestones and missteps alike are subject to the relentless gaze of fans and critics.