08/20/2012 at 01:00 PM EDT
When it comes to spending quality time in the bedroom with his fiancée, Liam Hemsworth
has a little competition – from a dog.
"Woke up to sloppy wet kisses from the cutest boy on the planet!" Tweeted Miley Cyrus
, 19, alongside a picture of her dog Happy, a possible Rottweiler-beagle mix. "Guess who?"
But there seems to be no rivalry between Hemsworth and Cyrus's expanding canine crew
, which also includes Mary Jane
, and Lila
. After all, just weeks after she rescued Happy
in early May, the couple of three years became engaged
Also on display in this up-close-and-personal snapshot of Cyrus cuddling her furry friend: the singer's new 'do, an edgy pixie cut that earned Hemsworth's approval.
"He said I look the happiest he's seen me in a while," she wrote on Twitter
of her fiancé's reaction to her style change-up (although we think she looks quite happy with Happy).