Humanitarian and actress Angelina Jolie departed for Amman, Jordan, on July 20 with her eldest son, Maddox, to attend the 24th annual Arab Children's Congress. Angelina, who has been a supporter of the foundation for years and is a U.N. Goodwill Ambassador, will be a guest of honor. An insider tells In Touch, "She will be staying with Her Majesty Queen Noor, who is a good friend of hers." The event lasts until July 25.