Amy Adams has signed on to be a presenter at the 83rd Academy Awards show in Los Angeles, the telecast's producers said.
She previously received nominations for her supporting performances in "Junebug" and "Doubt," in 2005 and 2008 respectively.
The actress's other film credits include "Enchanted," "Julie & Julia" and "Sunshine Cleaning."
She will be seen next in "The Muppets" and "On the Road."
Academy Awards for outstanding film achievements of 2010 will be presented Sunday at the Kodak Theatre at Hollywood & Highland Center, and televised live on the ABC Television Network.