Lady Gaga has been spending a good amount of time in the gym as she prepares for her wedding — and has lost a whopping 25 pounds in the process!

As Life & Style has reported, Gaga, plans to marry fiancé, Taylor Kinney, 33, in Malibu this summer, and in preparation for her nuptials, the singer has been sticking to a firm workout schedule.

The 29-year-old has been spotted at SoulCycle in Chicago, and seen taking yoga classes as well. Clearly, her hard work has paid off!

lady gaga side by side

April 2015 left, May 2015 right.

Lisa DeFazio, a nutritionist, saw the bride-to-be take the stage at the Jazz & Heritage Festival in New Orleans in April and reported that she "looked like she weighed 160 pounds." But merely one month later, she added, "It looks like she's pared down to 135 pounds!"

"She's dreaming of wearing a Vera Wang wedding gown," says an insider.

For more on Lady Gaga’s weight loss, pick up the latest issue of Life & Style n newsstands now!