Send your sister her own Valentine's Day musical ecard. Tickle her with Valentine silliness with our canine crooners in Pugs in Plaid Doo Wop Valentine Ecard.

Send your sister some Valentine chuckles with our musical Valentine ecards such as our Johnny Cash crooner pups in Grand Ole Opry Valentine ecard.

If your sister needs Valentine laughs send her Dancing Valentine Doggies ecard. She'll receive a chocolate box full of costumed dogs in rose, candy and chocolate costumes. She'll delight to be serenaded by these pup crooners. 

If your sister likes to click for her gifts, choose Yorkies Sweet Valentine Ecard where she will help these yorkies deliver her Valentines ecard and chocolate.

Singing Valentine Maltises is another musical dog ecards to deliver smiles and Valentine wishes to your sister. 

If your sister enjoys Dionne Warwick, send her our Dionne Warwick’s Valentine Song, Ecard recorded exclusively for Doozy Cards by the Grammy-winning singer. Dionne will privately serenade your sister delivering your love and sweet wishes. 

Do you wanna add a laugh and smiles to your sister's Valentine Ecard, here are some of our staff pics:

• To my sister AKA mom and Dad's favorite and my favorite sis, Happy Valentine's Day!
• To my sister who is sweeter than any Valentine treat! Happy Valentines Day!
• To my sister who is there for me tried and true. Happy Valentines Day to you!

We've got you covered if you need help writing a heart warming message to your sister in her Valentine. Check out our staff created guide, What to Write in a Valentine's Day Greeting Card. Send your sister free musical Valentines ecards with our ten day trial.