Lala Kent slammed fashion designer Michael Costello for not making her wedding dress because she’s not a “big enough” celebrity.The Vanderpump Rules star, 30, called out Costello, 37, after he accused Kylie Jenner of not giving certain designers credit for her looks on Instagram unless they are well known or she gets paid.The Keeping Up With the Kardashians star, 23, thanked Balmain creative director Olivier Rousteing via Instagram on Wednesday, August 12, for designing her bejeweled birthday