The 14-year-old Modern Family star wore a cute Collette Dinnigan Resort 2013 embroidered daisy dress with Brian Atwood heels to the yearly celebration.
“Had such a great time at @TeenVogue last night!!! Saw some awesome people! :)” Ariel tweeted.
Just last weekend, Kiernan, who stars on Mad Men, and Ariel both were spotted at the 2012 Emmy Awards.