The context of the following conversation is It was Kendall's birthday so for surprise, Sydney got all Kendall's friends together to celebrate it.:
Sydney says I got all of Kendall's friends together the other night..
The friend responds What for?.
Sydney responds It was Kendall's birthday and we wanted to surprise her to celebrate..
The friend responds Wow that must've been quite the celebration..
Sydney responds It really was!.
The friend responds You're a great friend Sydney..