Sara Jean Underwood was born on March 26, 1984, in Portland, Oregon, and raised in Scappoose, Oregon. Of Caucasian descent, she grew up in a middle-class family, with limited public details about her parents or siblings. She graduated from Scappoose High School in 2002 and attended Oregon State University and Portland State University, studying business marketing but not completing a degree as her modeling career took off. Her early interests included sports, particularly volleyball, and outdoor activities, reflecting her Pacific Northwest upbringing.Underwood’s modeling career began when she was discovered at a Bebe store in 2004. She first appeared in Playboy in the October 2005 issue’s “Girls of the Pac-10” pictorial, leading to her selection as Playmate of the Month for July 2006. In 2007, she was named Playmate of the Year, a milestone that elevated her profile. Her Playboy work includes over 20 covers and photosets, such as “Blonde Ambition” (2006), “Playmate of the Year 2007,” and various pictorials on Playboy Plus, rated highly on platforms like BabesRater (e.g., 9.5/10). She appeared in Playboy videos like Playmate Profiles and Behind the Scenes shoots, as well as TV shows including Playboy’s Beach House and The Girls Next Door (2005–2009), where she was featured as a regular at the Playboy Mansion.Beyond Playboy, Underwood has pursued acting and hosting. She played minor roles in films like Epic Movie (2007), The House Bunny (2008), and Miss March (2009), and appeared on TV shows such as Attack of the Show! (2009–2011) as a co-host and Ridiculousness (2012). She gained attention for starring in Deadly Weekend (2014) and modeling for brands like Skechers and Carl’s Jr. Her career also includes content creation, with a focus on travel and adventure, often shared through her YouTube channel and social media.Underwood is active on social media, with 9.2 million Instagram followers (@saraunderwood), 1.2 million on Twitter, and 1.5 million on Facebook as of 2025. She posts modeling photos, travel vlogs, and lifestyle content, often featuring her partner, Jacob Witzling, a cabin designer. Her OnlyFans account (@saraunderwood), priced at approximately $14.99–$24.99 per month, includes over 1,000 posts with 800 photos and 200 videos, featuring glamour modeling, lingerie, tasteful nude content, and behind-the-scenes travel shoots. She engages fans via DMs, focusing on artistic and adventure-themed content without explicit material.Standing at 5’3” (160 cm), Underwood weighs around 98–103 lbs (44–47 kg) with measurements of 32D-24-35. She has blonde hair, green eyes, and a petite, athletic build. Her 32D breasts are confirmed as surgically enhanced, but no public evidence suggests surgeries on her lips, buttocks, nose, or other features. She has a small tattoo on her lower back, visible in some shoots, and no reported piercings beyond standard earrings.Fans on Babepedia, Reddit, and forums like FreeOnes find Underwood sexy for her “classic blonde bombshell” look, “perfectly proportioned” figure, and “bright, playful” energy. Her “girl-next-door” charm, combined with her adventurous spirit—seen in nude yoga shoots and cabin-building vlogs—is considered unique. Comments praise her “stunning” green eyes and “fit, curvy” physique, with some noting her longevity as a Playboy icon since 2005. Critics occasionally call her enhanced look “too polished,” but her fanbase remains loyal for her authenticity and versatility.No major controversies are directly tied to Underwood. In 2017, she faced minor backlash for a nude Instagram photo at Rainbow Hot Springs, California, deemed disrespectful to Native American land by some users, but she apologized, and the issue faded. Speculation about her relationship status with Witzling has surfaced, but she has not confirmed marriage or engagement details.As of 2025, Underwood lives in Los Angeles and frequently travels with Witzling, building artistic cabins featured in their book Cabinland (2021). She continues modeling, creating OnlyFans content, and posting YouTube vlogs about travel and cabin projects, with recent X posts from June 2025 highlighting trips to Oregon and Iceland. Her net worth is estimated at $1.5–$5 million, derived from modeling, media appearances, OnlyFans, and book sales.