Austin realized that he has feelings for Ally in Campers & Complications. They shared their first kiss in Chapters & Choices. They were a couple for a little while but decided to be friends because their relationship was getting in the way of their partnership in Couples & Careers.

How many girlfriends did Austin have?

Austin has sung to 3 girls in the show. Cassidy in Diners & Daters, Ally in Partners & Parachutes, and Piper in Proms & Promises.

Are Dez and Ally friends?

They seem to be really good friends. In Soups & Stars, he tells Ally he is her BFF - Best Freckled Friend. In Campers & Complications, Dez begs Ally to hang out with him when Austin is too busy hanging out with Kira.