ABC Family show The Fosters has screened a kiss between two 13-year-old boys, delighting fans of the groundbreaking show that follows a family of five biological, adopted and foster children parented by lesbian mothers.

The Foster family.

The Fosters / ABC Family / Via spoilersguide.com

For months now, Fosters fans have been eagerly following the friendship between Jude Foster and his schoolmate, Connor. Jude was adopted by mums Stef and Lena after a difficult upbringing in various foster homes with his sister Callie.

For months now, Fosters fans have been eagerly following the friendship between Jude Foster and his schoolmate, Connor. Jude was adopted by mums Stef and Lena after a difficult upbringing in various foster homes with his sister Callie.

Callie and Jude.

Tony Rivetti / ABC FAMILY

The show has slowly developed a beautiful friendship between Jude and Connor. In one of their first scenes together, Connor wears nail polish to school in solidarity after Jude is bullied for painting his nails.

The show has slowly developed a beautiful friendship between Jude and Connor. In one of their first scenes together, Connor wears nail polish to school in solidarity after Jude is bullied for painting his nails.