Style Swoon: From a star studded Galentine's party benefiting a good cause to Marc Jacobs celebrating 40 years with a very meaningful campaign, a round up of the week's most stylish happenings

From Marc Jacobs celebrating 40 years to Stacey Bendet and Nicky Hilton Rothschild throwing a star studded Galentine's party, a roundup of the week's most stylish happenings.