You can and you should wear a tank top if you have bigger breasts. Just a little know-how can do the trick. You should wear a tank top with broader straps with a comfortable T-shirt bra underneath. The next thing is to choose the neckline of your tank top wisely. Instead of keeping it all deep or V-shaped, we suggest you try broad-shoulder U-shaped styles. Also, avoid details like ruffles or pleats around the neckline to avoid drawing attention to your bust.