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Are Brian and Vogue married ... or is it a publicity stunt?

HAVE Brian McFadden and Vogue Williams tied the knot?

The duo have sparked marriage rumours after he showed up to a big MTV party wearing a ring on his wedding finger -- and she refused to take her hands out of her pockets.

The loved-up couple started the speculation with their bizarre behaviour on the red carpet at an exclusive party in Australia.

Ex-Westlife singer Brian (31) and model Vogue (24) have only been dating for eight months but appeared to be more than happy to set tongues wagging.

Howth-native Vogue has already relocated Down Under to be closer to her beau.

Sporting a colourful pink and yellow dress at the launch of the MTV summer party, the Fade Street star made sure she didn't give waiting photographers any hint of a sparkler on her finger.

With no plans to return to Irish shores for the foreseeable future, the leggy catwalk queen has been rubbing shoulders with X Factor Australia judges Ronan Keating and Spice Girl Mel B and has set her sights on a top music career as well as modelling.