US singer Gwen Stefani will perform in Malaysia as scheduled despite protests from an Islamic students' group which objects to her raunchy performances and outfits, said the sponsor of the show.

The 10,000-strong National Union of Malaysian Muslim Students has objected to Stefani's Aug 21 concert - part of her "Sweet Escape" tour - because of her past record of "indecent dressing and obscenity."

Maxis Communications, the parent company for Hotlink, the concert's main sponsor, said the show would go on because authorities already approved it.

"Maxis Communications respects the values and conventions of this country," Maxis said in a statement.

"Whether it concerns the singer's attire or the security for the concert, we will abide by the rules and guidelines and assure that nothing will go wrong," Maxis' media, research and event general manager Rozalita Abdul Rahman said.

Mohamed Hilmi Ramli, the Muslim students' union president, said Malaysian youth "would be exposed to moral decay if we continue to allow such concerts to be held in Malaysia."

"We urge the organiser to cancel this concert or face intervention from our kind of groups," he said.

Standard of dressing

Stefani, who usually sports avant-garde outfits, platinum blonde hair and flaming red lipstick, will be briefed on the standard of dressing and conduct she must follow during the concert, Rozalita said, adding that similar briefings were given to other performers who visited Malaysia.

"We always brief the singers to adhere to our guidelines. All foreign artistes need to understand our culture and at the same time, as for Malaysians, we also need to have an open mind on such matters," said Rozalita.

The student group has previously objected to concerts by other foreign performers including Pussy Cat Dolls, Scorpions, Michael Jackson and Linkin Park.

Malaysian authorities last year fined a music promoter RM10,000 for organising a Pussycat Dolls concert that was considered too raunchy.