Semi Precious Weapons will open for Lady GaGa on the UK leg of her Monster Ball tour, it's been announced.

The New York band, who are signed to the singer's Haus of GaGa record label, join already announced support act, Alphabeat.

Both acts will perform with the star on all ten dates of her UK tour, which begins in Manchester on February 18.

Meanwhile, Semi Precious Weapons' self-titled debut EP is available to download from February 14.

The three track EP, which features the songs 'Semi Precious Weapons', 'Magnetic Baby' and 'Put A Diamond In It', was executive produced by Lady GaGa.

(by Jason Gregory)