Pixie Lott Webchat
Pixie Lott joined Marvin live in the studio on Sunday's Vodafone Big Top 40.
The UK female star will release her new single 'Nasty' this weekend and be on the show to find out where it goes in the chart.
During her time in the studio, Kat sat down and put your questions in front of her during an exclusive live webchat.
Watch the chat in full below to see what you can learn about the South London girl - including Pixie's fashion faux-pas, pub dinners and why her fans are called Crazy Cats.