Cheyenne Floyd Makes A MAJOR Confession About Her Boyfriend Zach!

Cheyenne Floyd has one big secret!

In a sneak peek clip for tonight's episode of Teen Mom OG, Cheyenne tells her baby daddy, Cory Wharton, that she is keeping one big secret and he is left in complete shock.

Watch the video above to hear more. Teen Mom OG airs Monday nights at 9pm ET, only on MTV!