The singular possessive of "moonlight" is "moonlight's."
moonlight's
Earthlight is actually sunlight that is reflected back into space from the earth - in the same way that moonlight is the sun's light reflected from the moon.
In Moonlight was created in 1904.
she danced gracefully in the moonlight
The clouds obscured the moonlight. The moonlight allowed me to walk home without a flashlight. Bright moonlight means it is harder to see the stars.
Moonlight Whispers was created in 1999.
Moonlight on Water was created in 1989.
Box of Moonlight was created in 1996.
Moonlight Agony was created in 1999.
Portraits in Moonlight was created in 1964.
Moonlight Waltz was created in 2010.