Lauren Conrad arrived back at LAX yesterday, after taking off for a quick trip Sunday. She made a call after exiting the terminal, and made her way out to her car. Lauren's been off having plenty of Summer fun so far this year. Lauren Conrad wore a bikini during a Mexico getaway with her boyfriend, William Tell. She's been busy, too, updating her blog and sharing fitness tips and tending to her writing and fashion ventures. Lauren's also just launched a new eco-friendly makeup bag collection.