Bruno Mars and Kara DioGuardi deliver the goods!

Kara DioGuardi has four songs on Colbie Caillat's new album, Breakthrough, which debuted at No. 1 on Billboard's Top 200! The 'Bubbly' singer/songwriter's sophomore album sold 106,000 copies in its first week, giving Caillat her first topper. Bruno Mars and Kara DioGuardi each have 2 songs on Cobra Starship's latest album which debuted at #4 on both Billboard's Top 200 and Soundscan's Sales chart. They co-wrote the title track, 'Hot Mess' and Kara also co-wrote the first single, 'Good Girls Gone Bad', which is currently in the top 10 on Billboard's Hot 100 and is a platinum digital single. Bruno also co-wrote 'Living in the Sky with Diamonds.'Bruno also has 4 songs on the upcoming Sean Kingston album Tomorrow which will be released September 22nd on Epic Records. The songs include: 'Tomorrow' (slated to be the next (3rd) single) 'Island Queen,' 'My Girlfriend,' and 'Twist Ya Around.' In addition to these hot new releases, Bruno Mars co-wrote the current single 'Get Sexy' for the UK girl group, Sugababes. The song is blowing up on UK radio and is currently #2 on the UK Sales chart, right behind Jay-Z!