I Loved You First

Here's what I got as video caption:

READ THIS FIRST: This is a companion to my "You Oughta Know" video, which I recommend to watch first. This is another AU this time through Izzie's POV.
The story goes that Izzie sees the moment that Alex and Addi have and questions George about it. He tells her that they were together for a while. She's a little upset about it, but tries not to show it to Alex. She also intentionally flirts with him in front of Addi. Izzie asks Addi if there is still something between her and Alex, but Addi responds with "Don't worry about it."
Then on a date Alex hesitates to kiss Izzie (guess which clips I used for that! ). She yells at him the next day in the on-call room for not telling her about Addi. He stops her before she goes out and tells her "There's nothing there." Still convinced that they are into each other, Izzie goes to Addi and yells at her for lying at her.
A few weeks later: Alex and Addison get in a fight in front of Izzie. When Izzie chases down Alex to ask him about it he kisses her and (after like a 2 second consideration) they are back together!

Black+White=Izzie's Memories
Set to "Samson" by Regina Spektor