[1] At the end of the event, Iris Mittenaere of France crowned Demi-Leigh Nel-Peters of South Africa as Miss Universe 2017.

Television personality Carson Kressley and runway coach Lu Sierra provided commentary and analysis throughout the event.

[6] The competition also featured the return of the Phoenix Mikimoto crown, which was last used in 2007, after WME/IMG reportedly sued the Diamond International Company due to a breach of contract in August 2017.

The Miss Universe Organization was pleased with the previous pageant's hosting in the Philippines, stating it dominated the pre-events of Super Bowl LI.

The pageant will take place in The AXIS theatre of Planet Hollywood in Las Vegas, Nevada on 26 November 2017.

[29][30] The 2017 edition saw the debuts of Cambodia, Laos, and Nepal[31][32][33] and the returns of Egypt, El Salvador, Ethiopia, Ghana, Iraq, Ireland, Lebanon, Saint Lucia, Trinidad and Tobago, and Zambia.

Belize, Denmark, Hungary, Kenya, Kosovo, and Switzerland withdrew after their respective organizations failed to hold a national competition or appoint a delegate.

For the first time in this edition, contestants were divided into three geographical regions: The Americas, Europe, and Africa & Asia-Pacific.