Reese Witherspoon stepped out on the red carpet for the Wall Street Journal Magazine Innovators Awards, accompanied by her 21-year-old son, Deacon Phillippe.

Witherspoon wore a black one-shouldered dress with black heels and gold hoop earrings. Deacon, whom Witherspoon shares with her ex-husband Ryan Phillippe, wore a navy suit accompanied by black loafers.

The event was held at the Museum of Modern Art. Other celebrities in attendance at the event included Ariana Grande, Salma Hayek, Emily Ratajkowski, Penelope Cruz and many more.

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Witherspoon’s boyfriend, Oliver Haarmann, was notably missing from the event. Witherspoon and Haarmann, who is a minority co-owner of the NHL’s New York Islanders, as well as a founding partner of Searchlight Capital, have been casually dating on the down low since they revealed their relationship earlier this year.