PopSugar UK — Not every celebrity goes by the name on their birth certificate (what, you didn't know Lady Gaga wasn't born that way?), but some stage names are definitely more obvious than others. There are a handful of stars who have been using their middle names... more info

NME — Lady Gaga and Trent Reznor have also signed the open letter more info

Time — "We call on Congress to do more to prevent the gun violence that kills more than 90 Americans every day and injures hundreds more." more info

Time — "We call on Congress to do more to prevent the gun violence that kills more than 90 Americans every day and injures hundreds more." more info

Consequence of Sound — Sir Paul McCartney, Lady Gaga, Michael Stipe, Lin-Manuel Miranda, and many others also participate. more info

CNN Showbiz — Selena Gomez, Yoko Ono and Lady Gaga are among a host of big-name artists who are taking on gun violence. more info

Idolator — Gaga’s anti-bullying outreach goes to the next level. more info

The Mirror — The open letter from Billboard urges Congress to introduce gun control measures and has been signed by major music stars and execs more info

Rolling Stone — Jack White, U2, Pearl Jam, Beck, Britney Spears, Lady Gaga and Trent Reznor have joined Taylor Swift, Paul McCartney and over 150 more artists in signing a petition that calls for a reform of the Digital Millennium Copyright Act (DMCA). The DMCA w... more info

MTV.co.uk News — It's time for change... more info