Concealer: Over Or Under Foundation?

Should you wear concealer over or under your foundation? I hope this helps! :) Maya's Channel: http://www.youtube.com/user/nyhauteweek PRODUCTS MENTIONED: Costal Scents Camo Quad Color Corrector Hourglass Hidden Concealer Dermablend Cover Cream Maybelline Fit Me Concealer http://on.fb.me/Vcm8YC Twitter: http://www.twitter.com/SincerelyCass11 Cassandra Bankson Facebook! https://www.facebook.com/pages/Cassandra-Bankson/214919915187678 Tumblr http://diamondsandheels14.tumblr.com/ Pintrest http://pinterest.com/sincerelycass11/ Google Plus https://plus.google.com/113295008610783049759/about Instagram: Diamondsandheels14 www.instagram.com/diamondsandheels14 Outfit In This Video: http://web.stagram.com/p/473964364568300867_40164706 Blue/White Michael Kors Dress: http://www.today.com/video/today/47099293 Blue Dangle Earrings From Target Nude Patent Michael Kors Flats Cream Balenciaga City Bag Juicy Couture Diamond Heart Bracelet Tiffany & CO and Stella & Bow Rings White Blazer From NY&CO