The diminutive singer was nearly engulfed by the shopping cart filled to the brim with groceries.
Bruno, 28, and girlfriend Jessica Caban, 32, had popped into Vons supermarket to do some food shopping.
Trolley On Tha Run: Bruno Mars was almost dwarfed by his supermarket trolley on Wednesday
Push it: The hitmaker struggled pushing the trolley back to his car after a late night supermarket visit
The couple looked as though they had taken part in a game of Supermarket Sweep as the diminutive singer pushed the overloaded trolley back to his car.
Dressed in a Mickey Mouse sweatshirt, Nike shorts and wearing a baseball cap with an LA emblem on it, Rita Ora’s ex was almost unrecognisable from his smart stage persona.
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The Grammy award winner, who is 5ft 5ins, didn’t seem to mind that the cart came up to his chest.
And the American singer-songwriter also showed his down-to-earth side queuing at the checkout with the other shoppers.
Waiting time: The Billionaire singer showed his down to earth side as he queued like other shoppers
American model Jessica looked stylish in a pair of faded denim jeans and a white T-shirt with a baggy red top over it.
The brunette beauty wore her long wavy hair down and opted for comfort by wearing a pair of white trainers.
The couple began dating in 2011 and live together in the Just The Way You Are singer’s $3million mansion in Los Angeles.
Put your back into it: Jessica Caban let her fella do all the hard work during their grocery shop at Vons supermarket
Lift off: Bruno opened his car boot and loaded in his many purchases
Head down: Rita Ora’s ex wore a Mickey Mouse jumper over a pair of shorts for is supermarket sweep
On Saturday, Bruno joined Muhammad Ali in a concert to celebrate the 40th anniversary of ‘Rumble in the Jungle’ boxing match between Ali himself and George Foreman.
The musician spoke of his admiration for how Ali has ‘stood up for his beliefs, how he’s been a humanitarian, and has been nice to people.’
Bruno only two more dates left on his 155-date Moonshine Jungle World Tour.
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And fans of the entertainer will soon have some new music to listen to as he recently announced he will be working on his third album.
He told his Twitter followers: ‘Now it’s time to start writing chapter 3. See you soon hooligans. Brunz’
Mars will also be heading to Glasgow in November to attend the MTV Europe Music Awards where he is nominated alongside Beyonce, Justin Timberlake, Katy Perry and One Direction in the Best Live performance category.
Perfect pair: Bruno and Jessica attended the 56th Grammy Awards at the Staples Center in Los Angeles in January