For her 39th birthday on Thursday,
Jennifer Lopez didn't want to make a fuss. So she and husband
Marc Anthony quietly slipped into a showing of Broadway's
In the Heights after the lights went down. 'It's almost like every day is her birthday,' Anthony said on
Ryan Seacrest's KIIS-FM radio show Friday. "So last night we just wanted it to be quiet and, you know, have a nice, quiet evening together." 'We sneaked in and got to sit in the audience and see other people be nervous,' he said. 'We had a blast!' Anthony - who launches a tour Saturday in Universal City, California - said it won't be tough being on the road with twins Max and Emme, who were born in February. 'When your foundation is stable and you're good, it doesn't really affect anything,' Anthony said. 'It just amplifies what the experience feels like. It's that much more fulfilling, and you look forward to coming home. It's a great time! The day before her 39th birthday Thursday, Lopez was spotted shopping at Bonpoint baby boutique in NYC while feeding her twin son Max. Her mother, Guadalupe, held baby girl Emme. 'She's such an amazing mom, and I'm so proud of her,' Anthony recently said on
The Billy Bush Show. "She's such a gem to watch