Tyler is an active supporter of the charitable United Nations Children’s Fund (UNICEF). She was appointed as a Goodwill Ambassador for the United States in 2003. In November 2004, she hosted the lighting of the UNICEF Snowflake in New York City. Tyler also served as spokesperson for the 2004 Givenchy Mother’s Day promotion, in support of UNICEF’s Maternal & Neonatal Tetanus (MNT) campaign.