Natalia Noemi "Teddy" Sinclair is an English singer-songwriter and actress. She has recorded music under various aliases, most famously as Natalia Kills and Verbalicious. She is currently the lead vocalist of the band Cruel Youth, which also releases music under the name The Powder Room.

Perfectionist is the debut studio album by English singer Teddy Sinclair, under the name Natalia Kills. It was released on 1 April 2011 by will.i.am Music Group, Cherrytree Records, KonLive and Interscope Records. Despite having started out as an actress, Sinclair later became a rap artist and released a single in 2005; however, her label went bankrupt. Songwriting remained her principal activity until 2008, when she was signed by will.i.am and started recording the album.