Miley Cyrus fuels rumours she is engaged to Liam Hemsworth
The singer, who is dating The Hunger Games actor Liam Hemsworth, sparked speculation earlier this month by sharing a picture of her wearing a ring with Twitter followers.
And she appeared to be wearing the same rock at last night's party, thrown by boxing legend Muhammad Ali.
The celebrity couple met when they filmed The Last Song together back in 2009.
And Miley has revealed how they missed each other while Liam was filming his latest flick.
Twitter pic ... ring that sparked rumours
She explained: "I think the hardest part for Liam was being away from me and his brother and his family."
Rumours ... Liam Hemsworth and Miley Cyrus
As well as flashing her band as she arrived at the bash, Miley also took the opportunity to show off her toned legs in a pretty orange dress.
The 19-year-old singer later changed into a black frock to perform for the audience of celebs and sports stars.
US singer ... Miley Cyrus
Her heart-throb fella joined her for the Celebrity Fight Night, in Phoenix, US, which raises money and awareness for various charities.
Other celebs in attendance included actor Tom Hanks and his wife, Rita Wilson.
Star-studded bash ... Tom Hanks, Muhammad Ali and Rita Wilson
They cheerfully posed for snaps with former boxing champ Ali before heading to the dance floor.
Charity evening ... Muhammad Ali and Miley Cyrus
Even Verne Troyer, famed for playing Mini-Me in the Austin Powers comedies, was in attendance.
Black tie ... Verne Troyer
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