# BitterSweet Festival in Poznań > Live situation record from CLSTR: https://clstr.news/situations/bittersweet-festival-in-pozna > Updated: 2026-08-16T06:48:35.000Z. Sources: 14. Developments: 2. The second edition of the BitterSweet Festival took place at Park Cytadela in Poznań, Poland, featuring a lineup of over 40 artists. Early in the three-day event, Gorillaz performed their first concert in Poland in eight years. During a performance of ‘Price Tag’, Jessie J handed her microphone to a Polish fan, creating a viral moment that received significant online attention. As the festival concluded, Robbie Williams headlined the third day. He engaged with the crowd by wearing a Warta Poznań football jersey and performing ‘She’s the One’ via a video call to a fan’s mother. American artist Ciara also performed, drawing social media discussion after wearing the Polish flag over her head like a veil during her set. This gesture sparked online debate, with some users accusing her of profanation while others defended the act as a respectful nod to the local audience. ## Claims - During his performance at the BitterSweet Festival in Poznań, Williams wore a Warta Poznań football club jersey during his encore. (corroborated by 2 sources) - The BitterSweet Festival took place from August 13 to 15 at Park Cytadela in Poznań. (corroborated by 2 sources) - Williams performed the song ‘She’s the One’ via a live phone call to a fan's mother during his concert. (single source) ## Timeline ### 2026-08-16: BitterSweet Festival in Poznań features Robbie Williams and Ciara Performers Robbie Williams and Ciara drew attention at Poznań's BitterSweet Festival, with Williams wearing a local football club jersey and Ciara sparking debate by wearing the Polish flag. 6 sources. https://clstr.news/cluster/robbie-williams-wears-warta-pozna-jersey-at-bittersweet-festival ### 2026-08-14: BitterSweet Festival in Poznań features Gorillaz and Jessie J The BitterSweet Festival in Poznań, Poland, features headliners like Gorillaz and Jessie J, including a viral moment where Jessie J shared the microphone with a talented Polish fan. 8 sources. https://clstr.news/cluster/bittersweet-festival-in-pozna-features-gorillaz-and-jessie-j --- Cite as: BitterSweet Festival in Poznań. CLSTR, https://clstr.news/situations/bittersweet-festival-in-pozna