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

He put together a last-ditch plan to save himself, but it fizzled quickly and the tribe was left with a choice: Keep Jon, the ...

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 ...

Unsuspecting Costco shoppers in Livermore got quite a surprise Tuesday when former First Lady Michelle Obama turned up ...

Most Costco shoppers probably don't expect to spot a former first lady inside the big-box retailer, but some California ...