Gaga's emotional birthday message
Lady Gaga broke down in tears after watching a Happy Birthday video message from fans.
The Paparazzi singer watched the video on YouTube as she turned 24 this weekend, and posted a message on Twitter saying she was overcome with emotion.
"I've never cried so hard in 24 years, from pure joy and unconditional love - tears still streaming," tweeted the star.
In another message, the singer said she loved all of her fans.
"Thank you so much for all the beautiful birthday messages, videos, and gifts. The greatest present I've been given this year is you, I love you," she said.
Usmagazine.com reports that Gaga's dancers presented her with a birthday cake during a concert in Australia.