Lady Gaga accused of 'bulimia chic' as she gets skinny artist to vomit on her during SXSW set

Singer urged audience not to take pictures

Millie Brown lends her vomiting skills to Lady Gaga's SXSW set (fuse/YouTube)

Lady Gaga has performed perhaps her most controversial stunt yet, getting artist friend Millie Brown to regurgitate green goo all over her as she drummed on stage at SXSW.

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Brown wandered the stage during a rendition of the track Swine at Stubb's in Austin, Texas, swigging from a green bottle before sticking her fingers down her throat and throwing up the contents of it over a whooping Gaga.

The artist is known for her vomit splatter painting style of art in which she spews coloured milk onto canvases - a technique which she says doesn't affect her health or diet.

The stunt is already proving as controversial as Gaga no doubt hoped it would, with one Twitter user writing: "bulimia chic isn't cool".

Earlier in the South by Southwest set, Lady Gaga was trussed up on stage and 'spit-roasted' as she sang "Aura".

The singer opened her show by being slowly rotated over a 'barbecue' as backing dancers prodded her with tongs and 'tenderised' her by grabbing her flesh.

The stunt seemed a logical progression from her infamous meat dress, and referenced Austin being known as the home of good bbq.

Lady Gaga performs at Stubb's for SXSW in Austin, Texas (Fuse/YouTube)

Gaga urged the audience to put their smartphones down for once and let the show go unphotographed.

"Do me a favour and don't take a picture," she said. "Put your f*cking phones down. F*ck your cell phones and f*ck your friends instead."

Gaga played an eight-track set at the arts and technology festival, mostly sticking to tracks from her new album ARTPOP, and tomorrow will deliver a keynote speech at the Hilton Austin Hotel.