Jessica Simpson shared adorable new pictures of daughter Maxwell, 22 months, and son Ace, 9 months, on Thursday, April 3; "I am so grateful," she gushed Credit: courtesy of Jessica Simpson

Can't get enough! Jessica Simpson shared adorable new snapshots of her daughter Maxwell and son Ace on Thursday, April 3.

"Falling asleep looking at pictures of my kids," Simpson, 33, wrote via Instagram. "Now I know what my life is about. I am so grateful." She added: "Maxi can't wait for RIO2." (The animated flick is set to release on April 11.)

In the photos, 9-month-old Ace appears glued to a screen as he gazes up in a plaid onesie. Big sister Maxwell, meanwhile, is bundled up in blankets while sitting against the couch. The 22-month-old has her blonde locks up and is pouting her lips.

The Weight Watchers spokesperson is certainly proud of her growing tots, as she often posts pictures of them with fiance Eric Johnson. On March 28, she shared a fun photo of the former NFL player, 34, holding his big boy in the air as Maxwell held onto his knee. "All we need is love," Simpson gushed. "My perfect humans."