Rihanna apparently partied so hard in London that she missed her flight the next morning.
The Rude Boy singer went to see Jay-Z and Kanye West at the O2 at the weekend and then headed to Soho nightspot Dstrkt, and it seems she might have had one too many, reports the Daily Mirror.
Other guests at the bash apparently included Kim Kardashian, who is dating chart star Kanye, Gwyneth Paltrow, Stella McCartney and singer Rita Ora.
Rihanna, who was rushed to hospital reportedly suffering from exhaustion and dehydration earlier this month, tweeted: "U know life is great when u wake up at 9 am DRUNK!!!!! #London."
The 24-year-old added: "You know it was a good night when u wake up n run to your BFF's room like... How did I get in my bed? Did I walk? Stumble? Get carried?"
The singer then confessed that she was"supposed to be on a plane rt now" but followed it up by tweeting that her hip-hop pal Jay-Z "saved" her and she now had an extra day off.