Hot Summer Party Nights!

J. Lo gets low! Gerard sings karaoke! Paris pops bubbly! See how the stars spend their hot summer nights

  • LAUREN CONRAD photo | Lauren Conrad

Credit: Frank Micelotta/Getty

Updated: Wednesday Aug 04, 2010 | 06:00 AM EDT By: Alison Schwartz

LAUREN CONRAD

Dressed to shine, L.C. returns to her reality TV roots, graciously giving The Hills a farewell toast at the series finale party in Hollywood.