Happy Birthday, Demi Lovato!

Demi Lovato blows the candles on her cake out as she celebrates her 18th birthday at NYC’s Buddakan on Thursday night (August 19).

The Camp Rock cutie will turn 18 TOMORROW (August 20)! Demi tweeted a detailed pic of her studded Christian Louboutin shoes and drapey silver chain bracelet by LOFT. Those are hot!

Little sister Madison de la Garza was also at Demi‘s celebration.

Demi is currently on the road with the Jonas Brothers and the Camp Rock 2 The Final Jam cast.