Little girls love
to play with Barbie, the all-American girl.

will be displayed with no linefeed :

Little girls love to play with Barbie, the all-American girl.

However, the following format

Barbie.

Little girls love to play with Barbie, the all-American girl.

allows linefeed to be forced after the title :

Barbie.
Little girls love to play with Barbie, the all-American girl.