Dappling is the femslash ship between Darling Charming and Apple White from the Ever After High fandom.
Darling and Apple have their first notable interaction during Way Too Wonderland. Apple is hosting a research group to learn more about Wonderland, and Darling is the only person to show up. As Darling is the daughter of Prince Charming, and Apple is the Daughter of Snow White, it can be assumed the two were already acquainted. Both families assume that Apple is destined to marry Darling’s older brother, Daring.
Darling has a rather shy demeanor, and the two don’t interact much as Darling spends most of her time in Way Too Wonderland disguised as the White Knight. In Dragon Games, they interact more and have a friendly rivalry, as they are on opposite teams for the games. When the girls flee the school, Darling shows them where to hide out.
Later in Dragon Games, Apple is poisoned by an apple and falls into a coma. Daring tries to wake her up through true love’s kiss but fails, proving he is not destined her true love. Darling then proceeds to put her lips to Apple's, presumably to administer mouth-to-mouth, which awakens Apple.
A writer for the series (Shadi Petosky) officially confirmed on Twitter that Apple and Darling were indeed both Lesbian and that they were canonical as a couple as well.
The Ever After High fandom has long debated whether the moment in Dragon Games was CPR or a kiss. Many have argued that CPR would be illogical, as Apple was in a magically-induced coma and choking, but she never stopped breathing or lost her pulse. While there seems to be conflicting information regarding this pairing from the writers on other platforms, Dragon Games writer Shadi Petosky confirmed the act was of true love, not CPR.
Many fans praise Mattel for including what was clearly intended to be a sapphic kiss into a kids show, especially at that time period.