With Mother’s Day around the corner, Jessie James Decker has been reflecting on parenthood . “The best thing is waking up to my kids’ beautiful faces every day and tucking them into bed every night,” says Decker, mom to Vivianne, 12, Eric Jr., 10, Forrest, 8, and Denver, 2, with former NFL wide receiver Eric Decker . “I’ve never loved anything, or anyone, so hard in my life.” The “Should Have Known Better” singer’s brood typically wakes her up on Mother’s Day with flowers and handmade gifts,