"Starstruck" is a song by British musician Olly Alexander, released under his solo project Years & Years. It was released for digital download and streaming on 8 April 2021. The song was written by Clarence Coffee Jr., Mark Ralph, Nathaniel Ledwidge and Olly Alexander, and marks the first release of Years & Years as Alexander's solo project following the departure of Mikey Goldsworthy and Emre Türkmen. A remix featuring Australian singer Kylie Minogue was released on 21 May 2021.
On 29 March 2021, Olly Alexander uploaded a preview of the single on his TikTok account, and shared the news on his other social media accounts. He also introduced a 'Starstruck Challenge', explaining it as "all about showing your finest post-lockdown glow up that is leaving everyone star-struck because you look so fine".