Who Is Country Music’s #1 “It” Couple?

According to a new iHeartRadio poll, these are Country Music's Top 5 "it" couples:

#5. Keith Urban and Nicole Kidman. Married since 2006 and have two children together.

#4. Vince Gill and Amy Grant. Married since 2000 and have 1 daughter together.

#3. Carrie Underwood and Mike Fisher. Married since 2010

#2. Faith Hill and Tim McGraw. Married since 1996 and have 3 daughters together.

#1. Blake Shelton and Miranda Lambert. Married since 2011

What do you think? Do you agree?