Keegan Allen previews Liam's 'breaking point' as Walker returns
Plus, watch an exclusive clip from this week's episode.
Battle of the Network Stars: Pretty Little Liars hunks race for Ronda Rousey
Keegan Allen and Brant Daugherty work it out
Pretty Little Liars star to appear in Major Crimes season finale
Keegan Allen will guest star in the season 5 finale of the TNT hit