Jessie J will be celebrating her 26th birthday with a surprise gig in London for her fans.
The concert, in East London, will be first-come first-serve for anyone over the age of 18 who can get their before 7pm.
"Heartbeats! I'm performing a special acoustic set @OsloHackney TONIGHT AT 7PM - first come first serve. FREE entry! 18+ only #birthdaybehaviour", the Domino singer tweeted out.
The 26-year-old has also tweeted a thanks to her fans for their birthday messages.
"Too many messages to reply to them all! Thank you for your kind wishes and love! I will enjoy every bit of today! Promise", she said.
A former mentor on BBC’s The Voice, Jessie released her sophomore album in September 2013, and can currently be heard on DJ Cassidy’s debut dance track Calling All Hearts with Robin Thicke.