Jessica Alba might be on the pulse of what’s trendy, but the Honest Company founder and actress also knows when it’s time to wear the most classic and powerful outfit there ever was: the black pencil skirt and silk blouse.

To present at a tech conference in New York City on May 11, Jessica chose to go simple in a long-sleeved tie-neck blouse and midi pencil skirt with neutral cap-toe heels. She looked stunning and stylish yet professional, and stealing her look will take all the guesswork out of what to wear at your next board meeting or job interview. Scroll ahead for more pictures and a few shopping ideas.