Complex sentence: Robyn Loau first came into the spotlight as the lead singer of Australian all girl pop group Girlfriend, with fellow vocalists Jacqui Cowell, Siobhánn Heidenreich, Lorinda Noble and Melanie Alexander.
Split into simpler sentences: Robyn Loau first came into the spotlight as the lead singer of Australian all girl pop group Girlfriend. The group led by Loau, consisted of Jacqui Cowell, Siobhánn Heidenreich, Lorinda Noble and Melanie Alexander.