Months of planning and prepping will now pay off as the Austin City Limits Music Festival starts Friday.

More than 70,000 music fans will take over Zilker Park along with musicians, vendors and volunteers.

The first band hits the stage at 11:15 a.m.

Stay tuned to YNN for all the highlights, sights and sounds of the fest. Also, Tweet and Facebook your photos to us from the fest all weekend long.