If it wasn’t for her kids, Julia Louis-Dreyfus would have had an even harder time battling breast cancer. The 58-year-old actress recently sat down with Robin Roberts on Good Morning America and revealed that she got a lot of strength from her sons — Henry, 26, and Charlie, 21 — after she was diagnosed.

“My children were incredible. They really held me up,” the Veep star gushed on the morning talk show. After Julia revealed she was diagnosed with breast cancer in September 2017, doctors put her through several rounds of chemotherapy to fight the deadly disease. As she got the last round, her boys made her a very sweet video of them lip-syncing to Michael Jackson‘s hit song “Beat It.”

“My beauty boys @HenryHallMusic [and] @Charlie_Hall made this for me today, my last day of chemotherapy,” Julia captioned the video on Friday, January 11. “Pretty swell, right? Ain’t they sweet?” While talking to Robin on GMA, Julia said the video helped her give the strength that she needed to continue fighting.

“After my boys did this song, which of course made me cry and feel good all at the same time, then people from work, from Veep started doing exactly the same thing so it helped me get through chemotherapy in a big way,” the Seinfeld alum gushed.

Thankfully Julia says that she’s feeling a lot better now and is ready to take on more projects in her career. “I’m completely back,” Julia told Robin.

But the Emmy winner is still taking it slow because she doesn’t want to stress herself out. “She paces herself,” an insider previously revealed to Closer Weekly about her return to work. “She’s been writing, acting, helping friends out with their projects and doing table reads.”

The final season of Julia’s hit HBO show, Veep, is scheduled to premiere on Thursday, March 31, and — though fans are a bit sad that the show will be ending after Season 7 — Julia is just happy to be returning in time for the finale. “She’s feeling good!” the source said. “She’s thrilled — and very grateful.”