Does anyone know what tip she uses to get this kind of look on the cupcake?
here is her website and all of her cupcakes are the same.. I love the look..

www.pinkcakebox.com

thank you so much

Either a large round tip, or no tip and they just cut the piping bag.

Try the Wilton 1A tip or the Ateco 809... if these aren't big enough then just try cutting a pastry bag and using it without a tip.