Affiliate Marketing Secrets

My 9 yr old told me the other day that all the boys are spreading rumors that a boy has a crush on my dtr. She says they laugh, wisper, and say things like when is the wedding? Even though these are innocent comments, it’s just making her uncomfortable. Things I suggested to her are: she can try expressing her feelings. So she can say something like “Stop (behavior), it’s making me (her feeling). OR she can try ignoring the comments and let them see it doesn’t bother her.
What would you suggest? How else can she deal with this?