No Bra, No Problem: Beyonce Wears a Completely Unbuttoned Shirt to Lunch

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Is this a wardrobe malfunction waiting to happen?
Beyonce stepped out for lunch with Jay Z at Gracias Madre -- a vegan Mexican restaurant in West Hollywood, Calif. -- on Tuesday, where her denim-on-denim outfit definitely turned plenty of heads. The 33-year-old "Single Ladies" singer knotted her button-up to show off her toned stomach, but most strikingly, left the sexy shirt completely unbuttoned.
Check out her bra-less look below.
Seriously, how is that top staying in place?!
On another note, it's good to see Beyonce and Jay Z sticking to their healthier eating habits, especially since the singing superstar and her trainer Marco Borges announced their partnership to launch the 22 Days Nutrition plant-based home delivery meal service earlier this month.
Watch the video below to hear all about Beyonce's surprising new venture.