Maternity jeans - black skinnies

My favorite jeans are my jet black straight leg - so versatile and I can even get away with wearing them at work (with a nice top and cute flats/boots) 😉 Now that I've outgrown my non-maternity pair, I'm looking for maternity straight leg jeans in black.  Where'd you find yours?  I've looked everywhere!  Not a fan of belly band so my old ones really don't work for me anymore.  Would love to spend less than $50 if possible.  Thanks!