The Timeline of Heidi Klum and Tom Kaulitz's Relationship

According to TMZ, Tom and Heidi first meet!

At the very least, it was a birthday celebration

 who subsequently said to Ellen DeGeneres

It got to the point where I couldn't even look at him."

" You know that feeling you get 

when you're really attracted to someone—like, "Oh my god, I can't even.

 I was forced to sit next to him rather than across

I would have had to turn to face him.