BFFs Zendaya and Bella Thorne reunited for a special episode of K.C. Undercover for Disney Channel's "What the What?!?" Weekend! The two had lots to catch up on, and we got all the details, from their texts to each other to crazy rehearsals stories to the time they went undercover in real life! You can catch Bella's special appearance Sunday, April 19 at 8:30-9:00 p.m. on Disney Channel! WANT MORE? * Follow Tiger Beat on Twitter: http://bit.ly/1E0YeVl