Pretty Little Liars follows the stories of Aria Montgomery (Lucy Hale), Hanna Marin (Ashley Benson), Emily Fields (Shay Mitchell) and Spencer Hastings (Trojan Bellisario) who were best friends with Alison DiLaurentis (Sashe Pieterse).
The Emily Osment bikini pics featured at dcfans.tv appear to be candid shots taken by a friend and are on the official site for fans of the Disney Channel, so it seems likely she granted permission for their display.
When these spoilers leaked they were denied by actors at fan events (including Steve Burton and Rebecca Herbst), but were later confirmed when Livingston's Emily was indeed murdered during the Black and White Ball.
When first auditioning for Hannah Montana, Miley did not have her sights set on playing the lead role; she originally tried out for the role of Hannah's best friend Lilly Truscott, currently played by Emily Osmet.
It certainly is quite convenient to rent Serenity, The Exorcism of Emily Rose, Shadow The Hedgehog and Fire Emblem: Path of Radiance all at the same time, from the same service, using the same queue.