EXCLUSIVE: Meghan Markle's Shunned 'Girl Squad' is 'Planning Epic Group Takedown of Duchess' - After Radar Revealed Her Ex-Best Pal Jessica Mulroney is Plotting to Unleash Tell-All Memoir

Meghan Markle's shunned 'girl squad' is said to be plotting revenge as Jessica Mulroney may be planning a shocking tell-all.