Macht Frei has been re-released as a 13-track Digipak CD and as a 12-song white vinyl LP and 12-song black vinyl LP via Deadlight Entertainment (Synical, Sister, Prophets Of Addiction, New Rising Son, Acey Slade & the Dark Party). On August 30, 2010, 'O' came up on stage and provided backing vocals for Rebel Rebel at the Viper Room in Los Angeles. On September 11, 2010, Undercover Slut headlined London's Slimelight as a charity show for the Sophie Lancaster Foundation. On December 13, 2010, 'O' performed live as Romeo Gestapo, opening for New York City rapper Necro at La Bellevilloise in Paris, France. The Jet Black Mafia era and Haters Gonna Hate On January 29, 2011, Undercover Slut opened for the Murderdolls at l'Elysee Montmartre in Paris, France in front of nearly 1,400 people, premiering The Jet Black Mafia era. On February 19, 2011, Undercover Slut headlined the Imbolc Breizh Metal Fest 2011 in the heart of legendary's Broceliande woods. During that fest, 'O' did a cameo appearance on Orties Plus Putes que Toutes les Putes live promo-video. On May 28, 2011, Undercover Slut headlined a deathrock festival at Bateau Concorde Atlantique in Paris, France. Right in the middle of the Summer 2011 English riots, Undercover Slut headlined Nambucca in London, England on August 7, 2011. Undercover Slut's "Shadow Song" has been featured on Kinryu-No-Mai [-Tribute and Support to Japan-], a charity compilation CD for 2011 Japanese tsunami victims. On November 15, 2012, Undercover Slut opened for Wednesday 13 at La Boule Noire in Paris, France. On February 11, 2013, Undercover Slut opened for The 69 Eyes at Le Nouveau Casino in Paris, France, marking the return of Undercover Slut's White Whore Era member Drag on bass guitar. On April 9, 2013, a preview mix of the song "Laughing Like Hyenas" has been featured on the playlist of The Watt from Pedro Show, the podcast run by Mike Watt (The Stooges, The Minutemen). On May 23, 2015, "Choroform Nation", the new single has been available via all digital platforms. On November 13, 2015, "Chloroform Nation" has been released as a Digipak CD. On April 16, 2016, Offensive Records released a 6-Track Digipak CD named "Inside That Cult That Loves Terror" exclusively for Record Store Day. On January 1, 2020, UCS released the album, Haters Gonna Hate via Offensive Records on the following worldwide streaming platforms: Spotify, Deezer, Napster, Tidal, iTunes,