CHICAGO (CBS / AP) — Maria Shriver has appeared at Oprah Winfrey’s farewell show in Chicago, the same day it was revealed her husband Arnold Schwarzenegger fathered a child with another woman.

Shriver came on stage at the United Center with Winfrey’s best friend, Gayle King. Shriver told Winfrey that the talk show host has “given me love, support, wisdom and most of all the truth.” Shriver said she knew she wasn’t “alone in receiving those gifts.”

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Last week, Schwarzenegger and Shriver announced they had separated. On Tuesday it was revealed Schwarzenegger fathered a child with a woman on his household staff more than a decade ago.

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In a statement Shriver called it a “painful and heartbreaking time.”

Shriver told Winfrey that the talk show host “believed in others so they could believe in themselves.”

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