Kim Kardashian wasn't there to celebrate Kanye West's birthday.
While pals like Beyonce and Jay-Z were on hand at the party in New York City, Kanye's girlfriend of more than one year was noticeably absent - stuck Los Angeles because she is no longer able to travel by plane ahead of the birth of their first child next month.
A source confirmed to Us Weekly: 'Kim isn't allowed to fly'.
Grounded: Expectant mom Kim Kardashian was forced to skip boyfriend Kanye West's birthday bash in New York apparently because she's too far along in her pregnancy
Kanye rang in his 36th year at Caribbean-inspired hotspot Ms Lily's.
Other guests at the low-key bash included Nas, Kourtney Kardashian's fiance Scott Disick and Kim's best friend Jonathan Cheban.
Kim was stuck in Los Angeles, her growing belly appearing to be getting bigger by the day, to await the birth of their first child due next month.
Birthday boy: Kim was conspicuously absent as Kanye celebrated turning 36 years old with pals Jay-Z, Nas and others at Ms. Lily's in New York on Saturday
Not jealous we hope: While enormously pregnant Kim was stuck in Los Angeles, Beyonce graced Kanye's party in a sexy midriff-baring number
Looking fabulous: Jay-Z's gorgeous wife Beyonce, who had a baby last year, showed off her tummy that was remarkably tonedBut her thoughts were with Kanye as he rubbed elbows with his party pals. The reality star publicly declared her love for her boyfriend as she wished him happy birthday on Twitter on Saturday. 'Happy Birthday to my best friend, the love of my life, my soul!!!! I love you beyond words!' Kim tweeted.
Low-key evening: Kanye's party guest Jay-Z is a dad too and afterwards headed home with Beyonce to their baby girl Blue Ivy Carter
Overflowing with love: Kim posted a collage of couple pics wishing Kanye a happy birthday, calling him 'the love of my life, my soul!!!! I love you beyond words!'