Wiktionary
look at you
interj. (context derogatory English) (non-gloss definition: Sarcastically drawing attention to somebody's appearance or behaviour.)
Wikipedia
Look at You (Big & Rich song)
"Look at You" is a song recorded by American country music duo Big & Rich. It was released in January 2014 as the first single from their album Gravity. The song was written by John Rich, one half of the duo, and Shannon Lawson.
Look at You
Look at You may refer to:
Usage examples of "look at you".
And she'd shovel them aspirins down, swallow four as soon as look at you.
And somebody else besides me got a look at you when you were snooping in our car.
A person who always lets his Parent react is really saying, 'Look at you, you're not ok (and that makes me feel better)'.