My 2 daughters thought the words were "two Pop Tarts" when they were actually "two of hearts", around 1990, by (I think) Tiffany.
A childhood belief about misheard lyrics

others believed things like this
- I always thought that after 1999 it would be 1990 again, but with different months and days of the week
— optional - I got the 1990s and 1900s mixed up, so I thought people wore that fancy old-fashioned garb in the 1990's.Anon
- My dad told my young daughters that molasses comes from mole asses. I don't know how long they— Monica
- When I was little I used to think that women had two hearts - one inside each breast.— Rick
- I used to think that artichokes were animals because my mother said we were eating artichoke hearts. Anon
- I used to believe that all four-letter words are bad words.Anon