Babies go through lots of eating preferences and phases, sometimes because of teething, sometimes for no apparent reason. Remember this over the next few years...healthy babies don't starve themselves. Her main source of nutrition should be breast or bottle, so if she's still taking those well, it's okay if she doesn't feel like eating solids for a bit. Put her in the highchair and offer the food, and if she refuses, don't push the issue. Respect her appetite and take her down.
Most importantly, try to relax. She can probably sense that you're upset and you definitely don't want to turn mealtimes into a battle. She'll probably come back around when she's ready!
