Derek outs out an amused huff and then looks at her for a long moment, trying to decide just how much she'll freak out before he just decides to hell with it.

He lets the shift overcome him, front paws rising off of the ground until he's back on two legs, chest heaving slightly as he looks at Bianca with an amused smirk, raising one eyebrow. "I bet it just got stranger. Hey Bianca."