Even former first ladies stop at Costco every now and then, but this wasn't a casual shopping trip. Here's what Michelle ...

Former first lady Michelle Obama was at a Costco in Livermore, California, Tuesday promoting her new line of youth-friendly ...

Former First Lady Michelle Obama was seen promoting her new drink at a Costco in Northern California on Tuesday, TMZ reported ...

Michelle Obama promoted her health beverage line, Plezi Fizz, at a Livermore Costco, generating buzz on social media.

The former First Lady was drew a crowd at a Bay Area Costco this week as she stopped by to promote a new healthy product ...

Michelle Obama was promoting her new beverage line, PLEZi FiZZ, at a Costco location in Northern California. See more, here.

Former First Lady Michelle Obama surprised crowds at Costco when she was spotted giving a sales pitch for her new healthy drink, Plezi Fizz, at a Costco in Livermore, CA.

But that’s exactly what happened Tuesday when the one and only Michelle Obama surprised a handful of shoppers at a Bay Area Costco. It wasn’t a warehouse in a big city like San Francisco, either. No.

Several shoppers at a Costco in California were recently treated to an unexpected sighting of Michelle Obama. The former first lady was at a Costco location in Livermore, a city east of San Francisco, ...

Former First Lady Michelle Obama appeared at a popular retail store in Livermore, California, to promote her new soda brand ...