Just call it Baby Bellamy-Hudson for now!
Dad-to-be Matthew Bellamy was effusive about his "beautiful pregnant girlfriend" Kate Hudson while accepting a Grammy onstage in L.A. on Sunday.
PHOTOS: What all the stars wore at the Grammys
And the Muse rocker, 32, opened up on the red carpet about how he and Hudson, 31, are prepping for their baby's arrival -- and keeping things mysterious!
For starters, the baby's gender "will be another surprise," he told Entertainment Tonight, explaining that they opted out of finding out if it's a boy or girl prior to the big day.
PHOTOS: Best show moments from the Grammys
That, of course, makes picking names a little tricky for the couple of 10 months (they reportedly have no plans to marry).
"We're starting to agree on names," Bellamy said. "Hopefully we'll think of something last minute."
PHOTOS: Hollywood's baby boom
The little boy or girl will join big brother Ryder, Hudson's 7-year-old son with ex Chris Robinson. "She is happy for Ryder to finally have a brother or sister," a Hudson insider told Us Weekly last month.
Get more Us! Follow us on Twitter, Friend us on Facebook, Subscribe to Us Weekly
Get the scoop on Bradley Bayou's dress design that Oprah wore to the Emmy Awards.
Beyonce does her best to prove that her family life is just perfect on today's Celebs Gone Social.
Rihanna strips down to a bikini while vacationing near an active volcano off the coast of Italy on today's Celebs Gone Social.
From Kim Kardashian to Paris Hilton, see which stars have the most expensive engagement bling.
The guys from Rascal Flatts talk with Wonderwall editor Jessica Herndon about life on tour, crazy fan encounters and more.
Check out Kaley Cuoco's cutest canine-centric posts on social media on today's Celebs Gone Social.
© 2014 Microsoft