Snap-arazzi: Best celeb Snapchats of the week (12/9 - 12/15)

This week in the world of celebrity Snapchats, a ton of big names hung out with one another at various events: Kylie Jenner showed up to Christina Aguilera's birthday dressed like the singer, Nick Jonas spent some time with two of his major crushes Jennifer Lopez and Shania Twain and Ariana Grande snuggled up with boyfriend Mac Miller.

SEE ALSO: Here's a complete list of all of the celebrities on Snapchat

Elsewhere, Paris Hilton took a selfie with Santa (duh!), Kylie Jenner hung out with Dream Kardashian, Karlie Kloss jetted off to Australia and Chrissy Teigen took a slew of pictures using Snapchat lenses with her daughter, Luna.

Check out all of the best celebrity Snapchats of the week below:

More from AOL.com:
Snap-arazzi: Best celeb Snapchats of the week (12/2 - 12/8)
Snap-arazzi: Best celeb Snapchats of the week (11/18 - 12/1)
Snap-arazzi: Kourtney and Khloe show off their booties and more celeb Snapchats of the week (11/11 - 11/17)

Advertisement