Miss Universe swimsuits

Miss South Africa 2010 Nicole Flint performs in her swimsuit by Dar Be Dar Swimwear during the Presentation Show for the 2010 Miss Universe Pageant.

Miss USA 2010 Rima Fakih performs in her swimsuit by Dar Be Dar Swimwear during the Presentation Show for the 2010 Miss Universe Pageant.

Miss Australia 2010 Jesinta Campbell performs in her swimsuit by Dar Be Dar Swimwear during the Presentation Show for the 2010 Miss Universe Pageant.

Miss US Virgin Islands 2010 Janeisha John performs in her swimsuit by Dar Be Dar Swimwear during the Presentation Show for the 2010 Miss Universe Pageant.

Miss Brazil Debora Lyra poses in her Dar Be Dar swimwear at Mandalay Bay Hotel and Casino in Las Vegas.

Miss Japan Maiko Itai and Miss Panama Anyoli Abrego pose in their Dar Be Dar swimwear at Mandalay Bay Hotel and Casino in Las Vegas.

Miss Venezuela Marelisa Gibson, Miss Netherlands Desiree van den Berg and Miss France Malika Menard pose in their Dar Be Dar swimwear at Mandalay Bay Hotel and Casino in Las Vegas.

Things are heating up at the Miss Universe pageant in Las Vegas as contestants prepare for the annual competition.

Contestants have already strutted their stuff pool side and on a catwalk in a collection of bikinis and swimwear.

Hopes are high for New Zealand's entrant Ria van Dyke, despite last week's controversy over her American-designed dress.

The winner of Miss Universe 2010 will be announced on Tuesday.