Personalized Groovy Retro I Love My Little Sister Very Much Toddler Dress. Show your sister some love with our Groovy Retro I Love My Little Sister Very Much design. This fun and cute design features a heart and the words "I love my sister" in a stylish retro font. It's the perfect gift to let your sister know just how much you appreciate her. Your little one will be adorable and comfortable in this 100% combed ringspun cotton 1x1 baby rib dress!