Little Mix’sPerrie Edwards has revealed how Jade Thirlwall pretended to have backache to avoid suspicions before they broke their pregnancy news. Perrie, 27, is expecting her first child with boyfriend Alex Oxlade-Chamberlain while 29 year old Leigh-Anne Pinnock is also expecting her first child with Andre Gray.The singers shared their happy news in sweet Instagram announcements last week, shortly before appearing at The Brit Awards.