"The double standard is truly astounding," Melania Trump's spokeswoman Stephanie Grisham stated on her behalf.
The first lady attacked the media for speculating about her health and whereabouts Wednesday but the authorship of the tweet was questioned by Twitter users.
She has not been seen for 20 days.
The pair argued over an article exploring the conspiracy theory that the Trump administration is running a child sex-trafficking ring.
"She did ask for a headlamp on Mother's Day," the comedian quipped.
"Melanie is feeling and doing really well."
Trump and Melania "will be making a contribution to one of the seven charities the royal couple has designated in lieu of gifts," a White House deputy press secretary said.
Before Melania Trump, Laura Bush underwent neck surgery and Nancy Reagan underwent breast cancer surgery.
The White House said the first lady is looking forward to a "full recovery."
"The president was there to meet the freed men—along with Melania, who is hoping to be freed next," Colbert said.
President Donald Trump signed a proclamation announcing May 7 as "Be Best" day.
Melania Trump's 57 percent favorable rating is greater than any rating her husband has received since CNN began polling around him in 1999.
Rudy Giuliani has insisted the payment made to Stormy Daniels days before the 2016 election was not a campaign contribution.
Viktor and Amalija Knavs attended a meeting with their immigration attorney Michael Wildes inside a federal building where U.S. citizenship applications are processed.
Obama started the presidential Twitter birthday message in 2012.
President Donald Trump said he was "very busy," but did get his wife, Melania, a card and flowers.
Lubbock County Democratic Party said editing out First Lady from pic they posted onto Facebook was "honest mistake."
Trump's guest list not only excluded elected Democrats and members of the media, but also popular entertainers.