Two of the most notorious pop stars invest in the new browser-based chat room where DJs take turn sharing their favorite playlists.

Caroline Ku Caroline Ku on August 3, 2011.

We’ve been told that Lady Gaga and Kanye West are investing in Turntable.fm.

They’re contributing to the $7.5 million Turntable financing round we announced weeks ago. BetaBeat reported and we can confirm that Union Square Ventures is a lead investor. Alyson Shontell/Business Insider.