Baby randomly wont stay latched...

Te

My LO is 4 weeks PP. She did amazing with latching the day she was born! She has had a strong latch ever since! Up until today. She won't stay latched for more than 5 min ☹ This JUST started and has been going on all day.

Now at every feeding since she was 5 days old I have been breastfeeding first then following up with 2oz of formula. We have been doing great with this routine. Could she all of a sudden have nipple confusion?

Today has been rough for both of us since she wont stay latched. Anyone else experience this?