When Lucas asks Lilly to be his girlfriend, Miley is so excited for her best friend! But when Lilly starts spending all of her free time with Lucas, Miley feels left out. To make matters worse, when Miley tells Lilly she caught Lucas kissing another girl, Lilly doesn't even believe her! Miley decides that it's time for Hannah Montana to teach Lucas a lesson so she can have her best friend back again. Will her plan work, or will Miley lose Lilly forever? Plus, will Lilly's girly makeover be a hit with her supersecret crush Matt?