STEALING!!!

Hey, for most that don’t know me I’m Jessica,24. Me and my boyfriend been together for 3 years and we have 2 kids(from different relationships). We recently discovered his mother was sick a year or so ago so we moved in with her so there is always someone at home to watch her. I recently bought 200$ worth of clothes from Ardenes, Walmart etc for myself for the summer cuz we women never have enough summer clothes. Well anyways I was doing washing for my work clothes which consists of pab pants or black slacks. I went to go in the dryer to get my black pants and they were nowhere to be found. So I continues cleaning and doing laundry as I put her laundry in her room she had my underwear, my pants, a bunch of my new bras & a few shirts on her floor. They definitely been used as I go work evening and go to bed when I get home it’s hard to get all my clothes in my room..

Question is: should I confront her & my boyfriend or should I say nothing ?