And one very loving canine dad is already in the summer spirit, taking his two precious Jack Russell Terrier pups to the lake ...

The "All I Want for Christmas Is You" singer wore a white quilted mini dress that complimented her dogs' white fur Mariah ... that matched her white-haired Jack Russell terriers' fur.

The Queen adopted the Jack Russell Terrier in 2011 and welcomed a second rescue pup a year later Janine Henni is a Royals Staff Writer for PEOPLE Digital, covering modern monarchies and the world ...