Best friend and husband

Soooo I’m gonna try to keep this as short as possible. My best friend is CONSTANTLY texting my husband. She came over a couple weeks ago and kept touching his shoulder giggling calling him cute while I walked inside. And then once again did it again this weekend “oh *giggles* you’re so cute * turns to another friend of ours* isn’t he so cute? (While I’m all the way across the room)

I feel like I’m going mad. I’m really not a jealous person at all but I HATE feeling like I’m in competition for my own husband if you get what I’m saying?

I haven’t brought anything up to her because I really don’t have a clue what to say to her or how to go about it.

She just texted me saying my husband is messing with her over text to and to beat him up for her. I just feel like she’s MY friend why in the hell does she need to be texting my husband multiple times a week? Not only that but flirting with him at the same time.

When she comes over (she knows I get annoyed with my husband sometimes when he doesn’t clean up after himself after I’ve been literally cleaning up all day) and she like exaggeratingly asks me if it’s okay she leaves something in the table “you sure that’s okay with you” “okay...” I just don’t get the point.

My husband knows I few about this but doesn’t do anything to calm her down cause he has no clue what to say to her either. He really does try to get away from her when she makes her low key moves on him. And I’ve seen the texts (she makes them into a way bigger deal when she texts me about there texts it’s just like she wants me to know their talking or something)

Am I crazy you guys or would you be upset too? I feel like I’m going insane. And I have no clue where to even begin. She used to do this when we first got together but then backed off once she became pregnant (she’s married but planning on leaving him soon) and it’s just starting all up again and I have no clue on if I should confront her or not and what to even say.

UPDATE:

I

Going to update because everyone’s asking why I haven’t cut her off already she’s been my best friend since I was a kid and the maid of honor in our wedding. She’s been through it all. And while she’s never been flirty with my past boyfriends. I just realized the last time she was flirty with my husband was the first time her and her husband was having problems. Now that it’s all happening again and she’s actually leaving him I guess she thinks it’s okay to flirt with whoever she pleases. This is gonna set a line in our friendship I feel like shouldn’t have been crossed in the first place it just sucks when she should know better. I’m with all you ladies I don’t have ANY of my friends boyfriends or husbands numbers. There’s no need to. I guess I came here looking for justification so I know I’m not crazy when I do have to confront her because she’s been making me feel crazy lately. We have already socially distanced ourselves from her and I’ve stopped replying to her mostly and that’s when she’ll go to my husband “oh have a bonfire this weekend” my husband is all about having his friends over (her husband included) so she knows exactly how to insert herself. But that’s where my husbands wrong too. 🤷🏼‍♀️ he knows I no longer feel comfortable with her around he says he doesn’t want to make things awkward with her and have things be weird with us which i agree but I think that’s where my husband needs to stop too is with replying. I’m also pregnant again and just feeling down about myself so this whole situation just sucks.