Another way to make a shirt bigger around the torso - add a zipper! A lot of refashion ideas are heavy on the bows and lace, neither of which I'm crazy for, but zippers add
How to Add a Side Zipper to Any Garment
How to sew an exposed zipper to refashion a shirt bigger - Swoodson Says
How To Sew A Closed-End Exposed Zipper Application (No Seam) - Doina Alexei
22 DIY Clothing Repair: How to Make Clothes Alterations
18+ creative t-shirt refashion ideas - Swoodson Says
How to Add a Side Zipper to Any Garment
How To Sew An Exposed Zipper
Trendy Zipper Shirt : 5 Steps (with Pictures) - Instructables
Tshirt sewing hacks and tutorials - Life Sew Savory