Nothing short of surgery or gaining body fat can actually increase the size of your breasts. As for making them look bigger, well, that's why the chunk of change we spend on bras each year is larger than the GDP of Iceland. Push-ups and padding aren't your only options, though. Let's be honest: This workout won't turn A cups into Bs or beyond. The following workout was created by Comas Keck specifically for women. The key to making this exercise to lift saggy boobs effective: Make sure to choose weights that are heavy exercise to lift saggy boobs.