Lauren Conrad and her mates are back for the fifth season of their LA reality TV show The Hills. It’s Lauren’s final series as she’s decided to quit the show, but before she says goodbye there’s plenty of romance, arguing and partying still to be had. It all kicks off with a bang when Stephanie gives Lauren the ultimate birthday surprise by bringing Lauren’s ex-best friend, Heidi, to her party. Lauren and Heidi both know that as long as Heidi’s boyfriend, Spencer, is in the picture, their friendship will never be what it once was. But could a tearful reunion bring them back together?