Reese Witherspoon's daughter Ava Phillippe, 24, wears tiny shorts and high-heeled boots to Big Feelings launch in NYC

Heidi Klum looks fresh faced as she arrives back in LA with husband Tom Kaulitz... after rocking elaborate peacock costume at her Halloween party in NYC

Nicky Hilton pairs $175 pajamas with $90 Adidas sneakers at Big Feelings launch party in NYC

Charlize Theron looks business chic as she joins Arnold Schwarzenegger at this year's Town & Country Philanthropy Summit in NYC