The United States considers Saudi Arabia as a strong partner in the sphere of regional security, relying on the kingdom's unique role in the Arab and Islamic worlds, its possession of the world's largest reserves of oil and its strategic location which contributes to the long-standing bilateral relationship between Riyadh and Washington.
President Donald Trump is traveling to Saudi Arabia this week, where he'll deliver a speech on Islam.
"We welcome any style in clothing", Saudi Arabia's Foreign Minister, Adel bin Ahmed Al-Jubeir told the media on Thursday, as cited by RIA Novosti.
Saudi entertainment website Lammt, which is advertising the event, says Saturday's free concert in the Saudi capital of Riyadh is open to men only.
The Stars and Stripes are flying in Riyadh's streets, intermixed with Saudi flags.
Besides meeting with Saudi officials, Trump will also meet with leaders of the six-nation Gulf Cooperation Council (GCC) and have lunch with leaders of more than 50 Muslim countries.
"We are expecting to have nearly 37 leaders, kings and heads of state".
President Richard Nixon did the same thing during his 1974 trip to the Middle East, which was the first time a sitting American president visited Israel.
Leaders of Muslim countries will reportedly be in attendance for Trump's speech.
The foreign minister confirmed Saudi Arabia's readiness to increase cooperation with countries countering ISIS in Syria and Iraq.
The exuberant reception for Trump reflects how differently Persian Gulf leaders see him, compared with how they saw Obama.
Mr Trump benefits by bringing about a more "fair" deal; he has claimed several times that North Atlantic Treaty Organisation is unfair to the United States because of the amount of contributions and support provided by the U.S. compared to countries like Germany.
The distaste for Obama grew so strong that when he visited the kingdom past year, only a small delegation met him at the airport and state television did not broadcast his arrival.
And it's not like Keith will hitch a ride aboard Air Force One. Speaking on background, government officials said that they were not aware of any such flight - certainly not one that took place "in broad daylight" and was reported in the press.
Trump and the first lady will attend an official dinner with the Saudi royal family.
During a press conference he held on Thursday, Jubeir praised Riyadh's "historic" ties with Washington and "expected" commercial and political deals to be signed during Donald Trump's visit to the kingdom, scheduled on May 23, the leader's first foreign trip as U.S. president.