WASHINGTON (AP) — Trying to find Michelle Obama on Twitter? Try tweeting her at @FLOTUS, which is Washington shorthand for “first lady of the United States.”

Mrs. Obama’s office unveiled her new Twitter identity on Thursday, largely to replace a previous Twitter account under the handle of (at)Michelle Obama. That account was launched a year ago and run by President Barack Obama’s re-election team. It will now be managed by the Democratic National Committee.

The site’s initial tweet promised updates and pictures. Tweets by the first lady herself will be signed “-mo.”

Followers also were asked to re-tweet that initial message to wish Mrs. Obama a happy birthday. She turned 49 on Thursday.