She's already tweeted twice twice today.
The First Lady has a new account, but it's run by campaign staff.
The First Lady responds to Jodi Kantor's book.
And why the White House isn't happy with it.
And she got asked to the Marine Corps Ball by a very dashing Lance Corporal.
Plus, Rooney Mara wore dark lipstick, and more beauty news.
The First Lady said "aloha" to some new clothes.
Purple remains one of the First Lady's favorite colors.
Fittingly, her dress featured a brushstroke-style print.
She got to read 'Where The Wild Things Are'.
But this wasn't another pseudo-incognito shopping trip.
"So this is how you tweet, huh?"
She picked some big ones.
Aretha Franklin was there too.
She accessorized with a floral brooch and kitten heels.