Sweeney, 36, will be answering your health and fitness questions this week and next – just in time for you to feel fit for summer. The mom of two has personal experience in the weight-loss department, opening up about her post-baby workouts, and is big on feeding her kids with healthy, balanced meals. (Her first novel, The Star Attraction, hits shelves this week, too!)
So, want some advice on your diet or exercise routine? Leave your questions in the comments below, and we’ll select several to send along to Sweeney. Then come back to PEOPLE.com next week to see what she has to say!