Andre Young, Jr., the 20-year-old son of Dr. Dre, was found dead over the weekend.

Earlier reports had come in that he had gone out Friday night and not returned home until 5:30 AM, but a TMZ source says that he was home by 12:30 AM and in bed shortly after that. His mother, Jenita Porter, found him the next morning around 10:00 AM. He was unresponsive.

A rep for the rapper told TMZ, “Dr. Dre is mourning the loss of his son Andre Young, Jr.”

The cause of death is pending completion of a toxicology report.

Rihanna and Chris Brown were spotted out in California this weekend, holding hands.  Word is that they were in town to film Brown’s latest music video.

Michelle Obama opened up the Democratic National Convention last night with a speech honoring her father’s memory and her daughters’ future.

She said that her husband, Sen. Barack Obama, will make an “extraordinary president” and added that “[her children’s future] and all our children’s future is [her] stake in this election”.

Click here to watch Michelle Obama’s speech and other video fron the DNC