"With her visit to the Middle East and North Africa, the first lady will continue to build on her work to empower young people, and reaffirm our commitment to strengthen our partnerships and advance our shared priorities in the region," Valdivia went on to add.

This is not the first time that the first lady has gone overseas without her husband, as she represented the United States at British King Charles' coronation earlier this month.

The Daily Telegraph cited an unnamed White House source as saying that the president stayed home due to fears that Biden did not have enough energy to attend the event given how he was already scheduled to visit Northern Ireland and the G7 summit in Japan.

"The guy is 80," the source remarked before explaining that White House staff "space out his big bursts of activity quite considerably."

Hillary Clinton says voters "have every right to consider" Biden's age and health

Meanwhile, former Secretary of State Hillary Clinton said last weekend that voters "have every right to consider" whether Biden is too old and unwell after he was seen having difficulty navigating stairs at the G-7 conference.

WATCH YOUR STEP! President Joe Biden stumbled on a set of stairs AGAIN as he and other G7 leaders gathered near the Shinto Shrine on Itsukushima Island, near Hiroshima, Japan, on Friday. pic.twitter.com/ZDmxyYBatD

— Breitbart News (@BreitbartNews) May 19, 2023

"We've had presidents who had fallen before who were a lot younger, and people didn't go into heart palpitations. But his age is an issue, and people have every right to consider it," Fox News quoted her as telling Financial Times editor Edward Luce.