–Tiffany Thornton looked beautiful in a BCBG dress while co-star Sterling Knight showed off his scruffy look at the A Summer Soiree – The Magic of Mentoring honoring Rich Ross on July 24. Tiffany tweeted: Yay I got so many compliments on the fab dress. BCBG MaxAzria= genius. LATM is such a great organization and it was an honor to be there tonight. The pair was also joined by co-star Allisyn Arm.