The R&B singer skipped Clive Davis' pre-Grammy bash after his wife Tameka experienced complications from plastic surgery in Brazil, "Access Hollywood" reports.
A neurosurgeon is reportedly on the way to South America to aid Usher's wife of a little over a year.
The "Love in this Club" crooner's cancellation was due to a "serious illness in the family," Davis announced at the party, but didn't elaborate further.
Tameka gave birth to the couple's second son, Naviyd Ely Raymond, in December.
She denied reports that she'll be joining the cast of the "Real Housewives of Atlanta" the following month.
The American Society of Plastic Surgeons warns of the risks of "medical tourism" on its Web site, citing different standards of quality control and training that can be found overseas.
Reps for Usher had no comment Sunday.
Mofo's need to learn to love what they have and stop fucking with this plastic surgery bullshit foreal didn't anyone learn from Donda west? (may she rest in peace) smh damn shame.