Michelle Obama's thank you letter to ESSENCE readers.

Mrs. Obama greeted more than 100 guests in the White House today.

Michelle Obama takes on Jimmy Fallon in a physical fitness competition.

Michelle Obama chats about her husband's singing with Jay Leno.

The First Lady makes her acting debut on Nickelodeon's "iCarly."

In honor of Michelle Obama's birthday, we asked you to write her a birthday wish. Here's what you had to say.

Michelle Obama's precious moments with Sasha and Malia.

There is so much to love about the First Lady. On her birthday, we look at the 40 reasons she is a star in our eyes.

First Lady Michelle Obama joins Twitter to help the 2012 presidential campaign.

FLOTUS sets the record straight about a new tell-all book.