LiLo "Dines" With Dina, But Doesn't Eat - Does She Ever?!?

Looks like she's also double-fisting a bottle of Coke and a can of Coke - talk about variety!

After a day at the hair salon, Lindsay Lohan joined her mom Dina and sister Ali (not to mention her BFF Patrick) for an 11 pm dinner at Nobu... but an X17online reporter on the scene tells us that Linds "did NOT want to be there." Our source recaps the evening below:

"Lindsay looked horrible. She was not in a good mood at all - she seemed so depressed and couldn't focus on anything. She barely ate a thing and drank water the whole time. She just kept to herself and ignored her surroundings. It's like she wasn't even there.

Dina kept passing food to Lindsay since they were all sharing sushi, but Lindsay wouldn't even take one bite. It looked like she would have rather been anywhere but with her mom at that restaurant! They had obviously been fighting and Lindsay clearly didn't want to talk to anyone. She just sat there sullenly.

She's definitely waifish but it's starting to move beyond that - she looked downright sick."

Sounds like a wholly unpleasant evening. Could a fight with Dina be brewing? We'll have more deets on that story later...

And to top it all off, LiLo also has a case of the dead eyes in these pix. Why the sudden mood swings? Is it because of the break-up or is she really not eating?

Lindsay is always downing caffeinated drinks - obvs! - smoking and making late-night runs (slash photo-op stops) to Mickey D's, but we never actually see her eat, and last night she only drank water!

Earth to Dina, your daughter needs help!